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Gabby Guerrero

Marlins Sign Pedro Alvarez, Dixon Machado, Deven Marrero To Minor League Contracts

By Steve Adams | December 3, 2018 at 12:52pm CDT

The Marlins announced Monday that they’ve signed a slew of players to minor league contracts with invitations to Major League Spring Training. First baseman Pedro Alvarez and middle infielders Dixon Machado and Deven Marrero have the most recent MLB experience of the bunch. Left-hander Mike Kickham, right-hander R.J. Alvarez, infielder Jon Berti and outfielder Gabriel Guerrero all have big league experience as well. Miami also made its previously reported re-signing of catcher Bryan Holaday to a minor league contract official and revealed that prized outfield addition Victor Victor Mesa will participate in Major League Spring Training.

Alvarez, 32 in February, is the most recognizable name of the bunch. The former No. 2 overall draft pick and Pirates slugger has spent the past three seasons in the Orioles organization. “El Toro” swatted 22 homers and had a solid year at the plate — primarily as a platoon designated hitter. He returned to the O’s on minor league pacts in each of the past two seasons but spent more time in Triple-A than in the Majors. Last year, Alvarez batted just .180/.283/.414 with eight homers in 127 Major League plate appearances and hit .243/.311/.446 with 16 homers in 305 Triple-A plate appearances. He’ll give the Marlins another option to compete for playing time alongside Peter O’Brien and Garrett Cooper.

Machado, 26 (and of no relation to the free-agent market’s more prominent Machado), appeared in 140 games with the Tigers from 2017-18. He’s generally regarded as a quality up-the-middle defender but didn’t provide enough hope with the bat to keep his roster spot in Detroit, even as the Tigers themselves are somewhat starved for middle-infield options. Machado batted just .229/.280/.303 in 414 PAs over the past two seasons, and he’ll give the Miami organization a glove-first depth option.

Marrero fits a similar profile. The former Red Sox first round-pick (2012) has long drawn praise for his defensive prowess but has yet to find success at the plate in parts of three seasons with Boston and another in Arizona. In 343 MLB trips to the plate, Marrero has posted a woeful .197/.250/.283 slash with five homers, 10 doubles and 10 steals. He does have experience at three infield positions, so he’ll join Machado in competing for a bench job in Miami this spring.

Kickham, soon to turn 30, will return to the Marlins organization after a solid minor league campaign in 2018. Through 42 innings (34 1/3 of which came in Triple-A), Kickham notched a 3.64 ERA with 8.1 K/9 against 1.5 BB/9. He hasn’t been in the Majors since 2014 and has surrendered 37 earned runs in 30 1/3 frames as a big leaguer, but he’s thrown well in the Miami minor league ranks since 2017.

R.J. Alvarez, 27, hasn’t appeared in the Majors since 2015 and has a career 7.39 ERA through 28 innings at the game’s top level. He’s punched out 101 hitters through 88 2/3 innings with the Rangers’ Triple-A club across the past two seasons, though he’s done so while exhibiting questionable control (48 walks).

Berti, 29 next month, received a four-game cup of coffee with the Blue Jays late in 2018, which marked his MLB debut. He’s struggled to a .593 OPS in 506 career PAs in Triple-A but posted much better numbers in Double-A. As with Machado and Marrero, he’ll provide some infield depth.

Guerrero, 24, was once considered to be one of the Mariners’ best prospects but has seen his production evaporate since reaching the Double-A level. The Reds gave him his first taste of the Majors in 2018, and he managed to connect on his first big league homer in a brief 14-game stint with Cincinnati. On the whole, though, he went 3-for-18 with eight strikeouts and no walks in his first MLB cup of coffee. There’s certainly reason to believe that a player with Guerrero’s bloodline can improve; he’s the nephew of Hall of Famer Vladimir Guerrero and the cousin of Blue Jays uber-prospect Vladimir Guerrero Jr.

Beyond the aforementioned players, the Marlins also added catchers B.J. Lopez, Sharif Othman and Rodrigo Vigil to minor league contracts, as well as left-hander Brian Moran. None of that quartet has MLB experience, though each will have the opportunity to win a job in Spring Training, it seems. Lopez, Othman and Vigil were minor league free agents of the Marlins and each re-signed to return to the organization.

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Miami Marlins Transactions Deven Marrero Dixon Machado Gabby Guerrero Mike Kickham Pedro Alvarez R.J. Alvarez

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Minor MLB Transactions: 11/22/18

By Mark Polishuk | November 22, 2018 at 4:52pm CDT

Rounding up some recent minor league transactions from around the baseball world….

  • The Marlins have signed outfielder Gabriel Guerrero to a minor league deal, as Guerrero announced on his personal Instagram page.  The 24-year-old has bounced around the farm systems of the Mariners, Diamondbacks, and Reds during his eight-year pro career, finally cracking the big leagues in 2018 by appearing in 14 games for Cincinnati.  He was outrighted off the Reds’ 40-man roster in October, paving the way for another trip to free agency.  Guerrero has a .273/.314/.413 slash line and 80 home runs over 3612 PA in the minors, showing glimpses of potential but never really establishing himself as a top-tier prospect.
  • The White Sox re-signed first baseman Matt Skole to a minors deal, as per Baseball America’s Matt Eddy.  Originally a fifth-round pick for the Nationals in the 2011 draft and a noteworthy prospect in Washington’s farm system, injuries hampered Skole’s progress, and he didn’t make his MLB debut until last season.  After joining Chicago’s organization as a minor league free agent last winter, Skole appeared in four games for the Sox and accumulated 13 plate appearances, before being outrighted following the season.  The 29-year-old Skole has a career .250/.356/.441 slash line and 116 homers over 3284 career PA in the minors.
  • Also from Eddy, the Mariners signed infielder Orlando Calixte to a minors pact.  Calixte spent all of 2018 at the Giants’ Triple-A affiliate before electing to become a free agent after the season.  Calixte has been a shortstop for much of his nine-year professional career, though he has also seen significant time as a second and third baseman, and in all three outfield spots.  This versatility helped him reach the majors in 2015 (two games with the Royals) and 2017 (29 games with the Giants) despite only hitting a modest .249/.303/.385 over 3628 PA in the minors.
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Chicago White Sox Miami Marlins Seattle Mariners Transactions Gabby Guerrero Matt Skole Orlando Calixte

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Reds Outright Gabriel Guerrero, Tim Federowicz

By Steve Adams | October 3, 2018 at 4:01pm CDT

The Reds announced Wednesday that catcher Tim Federowicz and outfielder Gabriel Guerrero have cleared waivers and been outrighted from the 40-man roster. Both will likely become free agents.

Guerrero, 24, was once considered to be one of the Mariners’ best prospects but has seen his production evaporate since reaching the Double-A level. Since 2015, he’s been with the Mariners, D-backs and Reds organizations but never produced at an elite clip in the minors. The Reds did give him his first taste of the Majors in 2018, and he managed to connect on his first big league homer in a brief 14-game stint with Cincinnati. On the whole, though, he went 3-for-18 with eight strikeouts and no walks in his first MLB cup of coffee. There’s certainly reason to believe that a player with Guerrero’s bloodline can improve; he’s the nephew of Hall of Famer Vladimir Guerrero and the cousin of Blue Jays uber-prospect Vladimir Guerrero Jr.

The 31-year-old Federowicz, meanwhile, went 2-for-6 with a homer in his five games as a Red this season and also spent 10 games with the Astros, where he batted .206/.229/.294 in 35 plate appearances. Dating back to 2011, “Fed-Ex” has appeared in the Majors in every season except 2015, serving mostly as a backup and a short-term replacement in the case of injury. He’s a career .199/.247/.323 hitter in 360 MLB plate appearances but does boast a tremendous .303/.374/.501 batting line in nearly 1900 career plate appearances at the Triple-A level.

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Cincinnati Reds Transactions Gabby Guerrero Tim Federowicz

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Reds Select Tim Federowicz, Gabby Guerrero

By Jeff Todd | September 4, 2018 at 11:27am CDT

The Reds announced today that they have selected the contracts of catcher Tim Federowicz and outfielder Gabby Guerrero. To create 40-man space, the organization recalled righty Keury Mella and placed him on the 60-day DL.

That pair of newcomers to the MLB roster will be joined by righty Tyler Mahle. The well-regarded young hurler has already spent most of the season in the majors, of course.

Federowicz joined the Reds earlier this year on a minors pact after he was cut loose from the Astros. The 31-year-old will now have seen time with five MLB clubs over parts of seven seasons. Though he hasn’t hit all that well thus far at the Triple-A level in the Cincinnati organization, and is a marginal hitter in his limited experience at the game’s highest level, Federowicz will provide some welcome catching depth down the stretch. He’ll be eligible for arbitration at season’s end, though it stands to reason that he’ll be allowed to test the open market.

As for Guerrero, he originally came to the Cincinnati organization on a waiver claim, then was non-tendered and re-signed in the winter of 2016. Today’s news means that he’ll beat his cousin, elite Blue Jays prospect Vladimir Guerrero Jr., to the big leagues. Of course, Gabby is now 24 years of age, so he had more than a five-year head start. He earned his way up after a solid year in the upper minors, during which he slashed .293/.328/.474 with 19 home runs in 539 plate appearances.

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Cincinnati Reds Transactions Gabby Guerrero Keury Mella Tim Federowicz Tyler Mahle

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Minor MLB Transactions: 12/4/16

By Connor Byrne | December 4, 2016 at 10:44am CDT

Sunday’s minor moves from around baseball:

  • The Braves have announced a one-year major league agreement with left-handed reliever Jacob Lindgren, whom the Yankees non-tendered Friday. The 2014 second-round pick briefly cracked the majors in 2015, but elbow issues limited him both that year and this past season. Lindgren threw just seven innings in 2016 – all with the Yankees’ High-A affiliate – before undergoing Tommy John surgery in August. The 23-year-old could miss all of next season while recovering from the procedure, but the Braves will retain his rights beyond then if he’s on their 40-man roster, as ESPN’s Keith Law notes (via Twitter).
  • Two days after the Reds non-tendered Gabby Guerrero, the club has re-signed the outfielder to a minor league deal, according to Zach Buchanan of the Cincinnati Enquirer (Twitter link). The Reds claimed the nephew of former major league star Vladimir Guerrero off waivers from the Diamondbacks last week. The soon-to-be 23-year-old was a well-regarded prospect with the Mariners at one time, but he struggled with the Seattle and Arizona organizations over the past two seasons. Guerrero posted a .223/.258/.346 line in 488 Double-A plate appearances in 2015, when he was part of a trade involving Mark Trumbo and Welington Castillo, and stumbled to a combined .234/.281/.383 showing with the D-backs’ Double-A and Triple-A affiliates last season.
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Atlanta Braves Cincinnati Reds Transactions Gabby Guerrero Jacob Lindgren

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2016-17 National League Non-Tenders

By Jeff Todd | December 2, 2016 at 7:28pm CDT

The deadline to tender 2017 contracts to players is tonight at 8pm ET. We’ll keep track of the day’s non-tenders in the National League in this post (all referenced arbitration projections courtesy of MLBTR contributor Matt Swartz)…

  • Departing the Rockies’ 40-man are righty Matt Carasiti and infielder/outfielder Stephen Cardullo, the club announced. Neither was eligible for arbitration.
  • The Braves non-tendered righty Chris Withrow, David O’Brien of the Atlanta Journal-Constitution tweets.
  • The Pirates non-tendered lefty Jeff Locke, as had been increasingly expected, as Stephen Nesbitt of the Pittsburgh Post-Gazette tweets. Catcher Eric Fryer was also dropped; he was not eligible for arbitration.
  • The Cubs non-tendered four pre-arb players to clear 40-man space, MLB.com’s Carrie Muskat tweets. Lefty Gerardo Concepcion and righties Zac Rosscup, Conor Mullee, and Christian Villanueva were all taken off the roster.
  • Righty Louis Coleman was not tendered a contract by the Dodgers, per a team announcement.
  • The Reds have non-tendered three players, as C. Trent Rosecrans of the Cincinnati Enquirer tweets. Catcher Ramon Cabrera, righty Keyvius Sampson, and outfielder Gabriel Guerrero were all dropped from the roster.
  • As expected, outfielder Ben Revere has been non-tendered by the Nationals. (The non-tender was first reported by the TalkNats blog on Twitter.) The club’s other eligible players — including shortstop Danny Espinosa — have been offered contracts. Revere projected to earn $6.3MM despite an abysmal 2016 campaign, his first in D.C. The 28-year-old still offers speed and defense, but will need to improve quite a bit upon his .217/.260/.300 slash. He has been a near-average bat in prior years, so there’s reason for some optimism, but at that rate it proved too costly.
  • The Cardinals have cut ties with righty Seth Maness rather than tendering him a contract, MLB.com’s Jenifer Langosch tweets. St. Louis has tendered all its remaining players with arb eligibility. While Maness, 28, has been a steady pen presence for the Cards, he underwent surgery on his UCL in mid-August. He did manage to avoid a full ligament replacement, and comes with another year of control, but evidently the price was too high for the Cards to roll the dice. Maness had projected to receive a $1.6MM salary and would have commanded at least that again in 2018.
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Atlanta Braves Chicago Cubs Cincinnati Reds Colorado Rockies Los Angeles Dodgers Pittsburgh Pirates St. Louis Cardinals Transactions Washington Nationals Ben Revere Chris Withrow Christian Villanueva Conor Mullee Eric Fryer Gabby Guerrero Gerardo Concepcion Jeff Locke Keyvius Sampson Louis Coleman Ramon Cabrera Seth Maness

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Reds Claim Juan Graterol, Gabriel Guerrero Off Waivers

By Steve Adams | November 28, 2016 at 2:45pm CDT

The Reds have claimed catcher Juan Graterol off waivers from the Angels and claimed outfielder Gabriel Guerrero off waivers from the Diamondbacks, the team announced today. In order to clear room on the 40-man roster, the Reds have designated right-hander Keyvius Sampson and catcher Ramon Cabrera for assignment.

The 22-year-old Guerrero is the nephew of former Major League superstar Vladimir Guerrero and long rated as one of the top prospects in the Mariners’ system before being traded to Arizona in last year’s Mark Trumbo/Welington Castillo trade. Guerrero posted strong numbers as recently as 2014 in Class-A Advanced — .307/.347/.467 with 18 homers and 18 steals in 530 plate appearances — but his production has plummeted upon reaching the upper levels of the minors. He hit just .223/.258/.346 between his two organizations’ Double-A affiliates in 2015 and struggled similarly this year, hitting .234/.281/.383 between Double-A and Triple-A.

Graterol, 27, made his Major League debut and tallied 15 PAs with the Halos this past season. The former Royals farmhand spent the 2015 season in the Yankees organization before inking a minors pact with the Halos last offseason. He’s a career .274/.306/.338 hitter in parts of three seasons (95 games) at the Triple-A level and has halted stolen base attempts at a very strong 38 percent clip in the minors. Baseball Prospectus gives him average pitch-framing grades in the minors as well.

Sampson, 25, pitched 39 1/3 innings with the Reds this year across 18 games — two starts, 16 relief appearances — and logged a 4.35 ERA with 9.6 K/9 against 6.2 BB/9. Control has long been an issue for Sampson, who has walked 53 men, hit two batters and also rattled off seven wild pitches in his 91 2/3 big league innings. The former Padres farmhand pitched well in the minors up through Double-A but began to struggle at Triple-A (5.18 ERA in 231 innings) and clearly hasn’t fared much better in the Majors, where he owns a collective 5.60 ERA.

Cabrera, meanwhile, made his big league debut with the Reds in 2015 and played in a career-high 61 games for Cincinnati this season. The 27-year-old received 185 plate appearances due largely to the season-ending injury sustained by Devin Mesoraco and batted .246/.279/.357 with three homers and 10 doubles. He’s a lifetime .274/.327/.343 hitter at the Triple-A level and could end up elsewhere on waivers, though he’s never excelled at throwing out runners (23 percent in the minors) and draws routinely negative framing marks. From that standpoint, it’s not difficult to see why the Reds felt that Graterol was a superior option to function as the third catcher on their 40-man roster, behind Mesoraco and Tucker Barnhart.

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Arizona Diamondbacks Cincinnati Reds Los Angeles Angels Transactions Gabby Guerrero Juan Graterol Keyvius Sampson Ramon Cabrera

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Diamondbacks Designate Gabby Guerrero For Assignment

By Steve Adams | November 18, 2016 at 7:06pm CDT

The D-backs announced that they’ve designated outfield prospect Gabby Guerrero for assignment in order to clear a spot on the 40-man roster for infield prospect Domingo Leyba.

Guerrero, the nephew of former MLB superstar Vladimir Guerrero, was acquired from the Mariners in the 2015 trade that sent Mark Trumbo from Arizona to Seattle. Though he long rated as one of the top prospects in the Mariners organization, Guerrero’s performance stalled in 2015-16. He hit just .223/.258/.346 between his two organizations’ Double-A affiliates in 2015 and struggled similarly this year, hitting .234/.281/.383 between Double-A and Triple-A.

Leyba, meanwhile, went from the Tigers to the D-backs in the three-team trade that sent Didi Gregorius to the Yankees, Shane Greene to Detroit and Leyba and Robbie Ray to Arizona. The middle infielder hit .296/.355/.429 between Class-A Advanced and Double-A as a 20-year-old this past season. He played primarily shortstop this season, though there’s been some question in past scouting reports about his ability to stay there, with some opining that Leyba is best suited for second base.

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Arizona Diamondbacks Transactions Domingo Leyba Gabby Guerrero

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NL West Notes: Castillo, Olivera, Jansen, Peralta

By Jeff Todd | June 4, 2015 at 8:36am CDT

Diamondbacks GM Dave Stewart joined Mike Ferrin of MLB Network Radio (audio link) to discuss last night’s multi-player deal sending Mark Trumbo to the Mariners. He explained that Welington Castillo (acquired in the deal) was not initially a backstop that had interested him upon taking the helm in Arizona — as he hinted, the club conceivably could have made that move when shipping Miguel Montero to the Cubs — but that the loss of Tuffy Gosewisch forced the team’s hand. “The first guy on my list of catchers was [Dioner] Navarro up in Toronto,” said Stewart, who explained that he “had [him] in my sights even in the winter months, before the Winter Meetings.” Stewart added that prospect Gabby Guerrero, who also comes over in the trade, impressed the club this spring.

That deal is a subject that Steve Adams and I tackle in today’s podcast, which will be available in a few hours. Meanwhile, here’s more from the NL West:

  • New Dodgers infielder Hector Olivera will make his professional debut tomorrow at Double-A, Bill Plunkett of the Orange County Register tweets. Director of player development Gabe Kapler had positive things to say about Olivera’s early time in the organization, as Plunkett also reports. “He clearly can handle either” second or third, Kapler added.
  • Dodgers closer Kenley Jansen was unavailable last night for unknown and somewhat mysterious reasons, as Mark Saxon of ESPNLosAngeles.com reports. Something apparently occurred during the game itself that changed his status, but what that is has yet to be reported. Meanwhile, four other relievers oversaw a 9th-inning meltdown in Colorado. After the game, the team said that Jansen “wasn’t feeling well, while ESPN’s Rick Sutcliffe tweeted that he was “sending [his] prayers” to the Dodgers and their closer, adding to the intrigue. The outstanding power pitcher has dealt with heart issues in the past, including experiencing an irregular heartbeat while in Denver.
  • Diamondbacks outfielder David Peralta has changed agencies and is now a client of ACES, Devan Fink tweeted recently and ESPN.com’s Jerry Crasnick confirms (Twitter link). The 27-year-old has quickly established himself as a solid major leaguer, and owns a .280/.323/.460 slash line in his first 490 plate appearances. With just 120 days of service accumulated last year, he’ll likely not qualify for arbitration until 2018.
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Arizona Diamondbacks Los Angeles Dodgers David Peralta Gabby Guerrero Hector Olivera Kenley Jansen Welington Castillo

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Mariners Acquire Mark Trumbo In Six-Player Deal

By Steve Adams | June 3, 2015 at 6:34pm CDT

With an offense that is again struggling to score runs in Seattle and a logjam of corner outfield types in Arizona, the Diamondbacks and Mariners have agreed to a rare, significant early-June trade that will send Mark Trumbo from Arizona to Seattle, the teams announced. Left-hander Vidal Nuno is also heading to the Mariners, who will send catcher Welington Castillo, right-hander Dominic Leone and prospects Gabby Guerrero and Jack Reinheimer to the D-Backs.

Mark  Trumbo

From the Mariners’ perspective, Trumbo will add significant power to a lineup that has struggled to score runs, as they rank 28th in the Majors with 191 runs. However, Seattle has thrived as a collective unit against left-handed pitching, which is where Trumbo does most of his damage. The 29-year-old is a lifetime .263/.311/.528 hitter against southpaws but owns a more pedestrian .242/.293/.444 line against same-handed pitching. Despite questionable OBP skills and his so-so numbers against right-handed pitching, Trumbo does figure to make the Mariners’ offense more formidable, though it may come at the cost of some defensive value. The acquisition of Trumbo also forces the team to either displace Logan Morrison at first base or utilize one of Trumbo or Nelson Cruz in the corner outfield, where both are regarded as defensive liabilities. Trumbo, who is earning $6.9MM in 2015 and is under team control through 2016 via the arbitration process.

Looking at the trade from Arizona’s perspective, it’s not difficult to see why the team felt the need to move Trumbo. The signing of Yasmany Tomas this offseason gave them a pair of slow-footed corner outfielders whose most appealing asset was right-handed pop. The D-Backs have been playing Tomas at third base while highly regarded prospect Jake Lamb is on the disabled list, but Lamb is nearing a return, and Tomas’ defensive work in the infield has not been particularly strong. With this move, Tomas can shift to right field in Trumbo’s place, joining A.J. Pollock and a combination of Ender Inciarte and David Peralta in the outfield. The move also saves the D-Backs some significant money; Trumbo is owed $4.68MM for the remainder of the 2015 season, compared to Castillo’s $1.43MM, making for a total savings of about $3.25MM.

Nuno has been told that he will be joining the Mariners’ rotation, the lefty himself told reporters, including MLB.com’s Steve Gilbert (Twitter link). The 27-year-old has struggled throughout his brief MLB career as a starter, but he’s pitched quite well in a long relief capacity for Arizona this season, posting a 1.88 ERA with a 19-to-5 K/BB ratio in 14 1/3 innings. Of course, that small sample consists of just three appearances, and Nuno’s larger body of work is relatively suspect. He’s tallied 196 innings at the Major League level between the Yankees and Diamondbacks, posting a 4.13 ERA with 7.2 K/9, 2.6 BB/9 and a 38.1 percent ground-ball rate.

As a fly-ball pitcher, his first stint in an expansive, pitcher-friendly environment figures to benefit Nuno, but his peripheral profile doesn’t exactly indicate that he’s been the recipient of much poor luck. Metrics such as FIP (4.36), xFIP (4.15) and SIERA (3.97) all feel that Nuno’s ERA are more or less reflective of his talent level. The Mariners will hope that he can produce improved results in a more favorable setting, however, and if not, he seems like he could at least be a useful bullpen piece. Nuno has stifled opposing lefties to this point in his career, yielding just .191/.271/.317 batting line in 190 plate appearances. The Mariners will be able to control him through the 2019 season.

Castillo is the most established player headed back to Arizona in the trade, and he will pair with Jarrod Saltalamacchia behind the dish to form the D-Backs’ new catching tandem. That’s a far more established duo than Tuffy Gosewisch and Jordan Pacheco, who have handled the bulk of Arizona’s catching duties this season. Arizona GM Dave Stewart stated on multiple occasions this offseason that he had no intent of adding a catcher, and he held to his word through Opening Day, but he’s since seen Gosewisch go down for the year due to a torn ACL, while a back injury has ended veteran Gerald Laird’s season. Rule 5 pickup Oscar Hernandez is on the shelf as well, creating an even larger dearth of catching options for the Diamondbacks.

Arizona values prospect Peter O’Brien’s bat quite a bit, but scouts have long questioned whether or not he can handle catching from a defensive standpoint. Late in Spring Training, those questions became even more pronounced when O’Brien developed an issue throwing the ball back to the mound. He’s seen more time in the corner outfield this season at Triple-A than he has behind the plate.

Therefore, Castillo and Saltalamacchia give the Diamondbacks a more experienced tandem without forcing them to try O’Brien at catcher before he is ready (if he ever is). Castillo is a career .250/.316/.392 hitter that posted a combined 105 OPS+ from 2012-13 before taking a step back in 2014. All told, his bat has been about five percent below the league average over the course of his career, which is solid offensive output from a catcher. Castillo has also caught an above-average 30 percent of attempted base stealers in his career, though like Saltalamacchia, he does not grade out well in terms of pitch-framing metrics. Castillo is under team control through the 2017 season.

In Leone, the Diamondbacks will acquire a 23-year-old reliever who was dominant in his 2014 rookie campaign but has struggled to repeat that success. Leone emerged from out of nowhere in 2014 to post a 2.17 ERA with 9.5 K/9, 3.4 BB/9 and a 54.7 percent ground-ball rate in 66 1/3 innings for the Mariners. Both FIP and xFIP pegged him at 3.07, while SIERA was more bullish at 2.81. Entering the 2015 season, Leone looked like a potential long-term bullpen cog. However, he’s seen his control erode dramatically, issuing nine walks in 11 1/3 innings against just seven strikeouts. The 94.6 mph he averaged on his heater in 2014 has dropped to 93.3 mph, leading to further cause for concern. His ERA to this point is a sky-high 6.35, while ERA estimators peg him for a mark in the 5.40 to 5.80 range. Put simply, Leone is a reclamation project for the Diamondbacks, but if he can return to anything close to his 2014 output, he’d be one of the most effective pieces in Arizona’s relief corps, if not the most effective piece.

Guerrero, 21, is the best prospect in the deal, despite a rough year at Double-A so far (.215/.262/.305). The nephew of famed slugger Vladimir Guerrero, Gabby has ranked among the Mariners’ Top 15 prospects in each of the past three offseasons, topping out at seventh this past winter. In their most recent scouting report, BA noted that Guerrero has plus-plus raw power, a plus-plus arm in right field (sound familiar?) and plus range as well, but he’s overly aggressive at the plate and swings too hard too often. Guerrero has baseball in his genes and is a high-risk, high-reward type of prospect; BA and other outlets such as MLB.com (where he ranks fifth among Mariners prospects) and Fangraphs (eighth) all feel that he could ultimately be an everyday right fielder, but the likelihood isn’t great without adjustments to his approach.

The 22-year-old Reinheimer reached Double-A for the first time this season and has slashed .277/.323/.351 thus far. Ranked as Seattle’s No. 17 prospect by BA, he also ranks 19th per Fangraphs and 14th per MLB.com. Jonathan Mayo and Jim Callis at MLB.com call Reinheimer a singles hitter at the moment, noting that he has above-average speed and the range/arm to handle shortstop defensively. Kiley McDaniel of Fangraphs agrees for the most part and comps him to Mariners shortstop Chris Taylor, noting that there’s very little power and a utility player might be the ultimate outcome.

Ken Rosenthal of FOX Sports first reported that Trumbo and Nuno had been traded to Seattle in exchange for Castillo, Leone and two prospects (Twitter links). 

Photo courtesy of USA Today Sports Images.

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Arizona Diamondbacks Newsstand Seattle Mariners Transactions Dominic Leone Gabby Guerrero Jack Reinheimer Mark Trumbo Vidal Nuno Welington Castillo

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    Braves Option Vaughn Grissom, Braden Shewmake

    Jose Altuve Leaves WBC Game After Hit By Pitch

    Edwin Diaz Undergoes Surgery To Repair Patellar Tendon

    Out Of Options 2023

    Cade Cavalli To Undergo Tommy John Surgery

    Edwin Diaz Helped Off Field With Right Knee Injury

    José Quintana Out Until At Least July Due To Rib Surgery

    Trevor Bauer Signs With NPB’s Yokohama DeNA BayStars

    Craig Stammen “Highly Unlikely” To Pitch Again Following Shoulder Injury

    Diamondbacks, Corbin Carroll Agree To Eight-Year Deal

    Nationals Sign Keibert Ruiz To Eight-Year Extension

    Rockies Showing Interest In Jurickson Profar

    Andrew Painter Diagnosed With UCL Sprain; Ranger Suarez Dealing With Forearm Tightness

    Marlins, Jose Iglesias Agree To Minor League Contract

    Marlins In Agreement With Yuli Gurriel On Minor League Deal

    Carlos Rodon, Tommy Kahnle, Lou Trivino To Begin Season On IL

    Recent

    Offseason In Review: Miami Marlins

    Reds’ Luke Weaver, Lucas Sims Expected To Open Season On Injured List

    Rhys Hoskins Diagnosed With Torn ACL, Will Undergo Surgery

    Braves Option Michael Soroka

    Cubs Trade Esteban Quiroz To Phillies

    Tigers Sign Jose Alvarez To Minor League Deal

    Rhys Hoskins Carted Off Field Following Knee Injury

    James Outman, Jason Heyward Will Make Dodgers’ Opening Day Roster

    Cardinals Notes: Montgomery, Barrera, Knizner, Bullpen, Motter

    Jed Lowrie Announces Retirement

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