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Emmanuel Rivera

Diamondbacks Designate Emmanuel Rivera For Assignment

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The Diamondbacks have designated third baseman Emmanuel Rivera for assignment, reports Nick Piecoro of the Arizona Republic. He’s out of minor league options and didn’t make the cut for the team’s Opening Day roster. They’ll instead turn his spot on the 26-man roster over to infield prospect Blaze Alexander, who’ll make his MLB debut the first time he gets into a game.

Rivera came to the D-backs in a 2022 trade deadline swap that sent righty Luke Weaver to the Royals — Rivera’s original organization. Kansas City selected the now-27-year-old Rivera in the 19th round of his Puerto Rico high school back in 2015. He ranked among the Royals’ top 30 prospects for several years, drawing praise for his arm strength and bat-to-ball skills, but he’s yet to provide much in the way of offense with either Kansas City or Arizona.

In 740 career plate appearances as a major leaguer, Rivera is a .247/.304/.380 hitter (88 wRC+). His 21.6% strikeout rate is a bit lower than league-average, but so is his 7.2% walk rate. He popped a dozen homers in a career-high 359 plate appearances in 2022 but hasn’t hit for power in either of his other two MLB campaigns. Rivera also has pretty notable platoon splits (.273/.327/.410 versus righties; .233/.293/.364 versus lefties), which isn’t ideal given that he’s on the short side of any platoon arrangement.

Defensively, he’s turned in sound marks at the hot corner. Defensive Runs Saved credits him at +9 in just under 1400 career innings, and Outs Above Average has him at +2. He’s only made 12 errors in his big league career at third base, and he’s also logged 94 innings at first base. The D-backs likely hoped that Rivera could emerge as an under-the-radar pickup who could help out at third base for several years, but last winter’s signing of Evan Longoria and especially this offseason’s pickup of Eugenio Suarez signaled that he wouldn’t be handed the everyday role.

The D-backs will have a week to trade Rivera, attempt to pass him through outright waivers, or release him. Since he’s out of minor league options, any team that acquires him will need to carry him on the big league roster or else attempt to pass him through waivers themselves.

Diamondbacks Designate Kristian Robinson For Assignment

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The Diamondbacks announced that they have selected the contract of infielder Buddy Kennedy. In corresponding moves, they optioned infielder Emmanuel Rivera and designated outfielder Kristian Robinson for assignment.

Robinson hit .271/.384/.452 in 185 combined plate appearances at three different minor league levels — a game of rookie ball, 32 games at A-level Visalla and 10 games at high-A Hillsboro.  It marked his first on-field action since the 2019 season, as Robinson had been on the restricted list for almost three years.  Back in May, MLBTR’s Anthony Franco detailed the legal and visa hurdles that stalled Robinson’s career, stemming from an April 2020 incident that initially resulted in Robinson pleading guilty to a felony assault charge.  The charge was reduced to a misdemeanor if Robinson completed an 18-month probation period, and while that probation period was up in the spring, Robinson had to essentially put his baseball career on hold until its completion.

Though Robinson’s numbers in the minors are pretty solid, and he is only a couple of years removed from top-100 prospect status, the D’Backs are willing to move on from the 22-year-old outfielder.  Claiming Robinson would require a 40-man roster spot from an interested team, but it would seem like someone will certainly take a flier on a player with his pedigree.  That said, it would stand to reason that Arizona might’ve shopped Robinson on the trade market while opting for the DFA, but apparently didn’t find any acceptable offers.  Because Robinson was on the 40-man roster, he is ineligible to be dealt after the trade deadline.

Rivera’s .267/.311/.376 slash line over 238 PA doesn’t quite tell the whole story of the infielder’s season, as Rivera got off to a blazing start and started getting regular duty at third base in place of Evan Longoria and Josh Rojas.  However, Rivera has markedly slowed down at the plate, with only a .519 OPS in his last 123 PA.  With Rivera sent to Triple-A to regroup, Longoria on the 10-day injured list, and Rojas traded to the Mariners as part of the Paul Sewald deal, utilityman Jace Peterson and Kennedy now look like the starting platoon at third base.

Kennedy was a fifth-round pick for the Diamondbacks in the 2017 draft, and he made his MLB debut last season in the form of 30 games and 94 plate appearances (hitting .217/.287/.325).  The D’Backs outrighted him off the 40-man roster after the season and he has been tearing up Triple-A pitching in 2023, hitting .318/.447/.480 over 407 PA with Triple-A Reno with five homers and 22 doubles.

Most of Kennedy’s professional playing time has come as a third baseman, though he logged a lot of innings at second base and gotten some work at first base and left field.  It could be that Kennedy will just be a stopgap until Longoria is able to return, but it represents another move at a position that has been a problem area for the Diamondbacks all season.  The revolving door at third base is just one of many issues for a struggling Arizona team that is 8-25 since the start of July, and currently mired in a nine-game losing streak.

Diamondbacks Option Jake McCarthy, Drey Jameson

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The Diamondbacks optioned right-hander Drey Jameson to Triple-A Reno yesterday, opening up a roster spot for lefty Tommy Henry, who was recalled and started last night’s game. Today, the club is optioning outfielder Jake McCarthy as well, reports Nick Piecoro of the Arizona Republic, recalling infielder Emmanuel Rivera in a corresponding move.

Individually, the moves aren’t necessarily shocking. Both players have started a bit slow here in the early parts of this season and neither is fully established. Each player is 25 years old and came into this year with less than a year of service time. But their demotions, as well as Madison Bumgarner recently getting designated for assignment, perhaps point to the club having more of a win-now mentality than recent years.

The D’Backs went 25-35 in the shortened 2020 season before winning just 52 games the season after and 74 last year. The silver lining of those losing seasons is that they’ve been able to devote playing time to young players like Josh Rojas, Corbin Carroll, Christian Walker and others, who were able to use those opportunities to hone their skills cement themselves as viable big leaguers to varying degrees.

But this year, the club’s emerging young core has helped them jump out to a 13-11 start. With the Dodgers having a modest offseason and feeling less like inevitable conquerors while the Padres and Giants have had slow starts, the D’Backs find themselves leading the American League West. In order to stay that up there, it seems there’s less room for players to develop in the big leagues.

McCarthy looked to have taken a step forward last year, hitting .283/.342/.427 for a wRC+ of 116 while also stealing 23 bases. With him in the outfield alongside Carroll and Alek Thomas, the club felt good enough about its options on the grass to trade Daulton Varsho to the Blue Jays in the offseason. They did get Lourdes Gurriel Jr. back in that deal for some insurance, though he’s a short-term add since he’s an impending free agent. McCarthy hasn’t been able to carry over those results so far, hitting just .143/.229/.238 prior to today’s move. He’s surely due for some regression from a .160 batting average on balls in play, but he’s also not hitting the ball with much authority. He’s currently in the 9th percentile in terms of average exit velocity, 8th in hard hit rate and 34th in barrel rate. He’ll head to Triple-A to try to get into a groove.

As for Jameson, his numbers might not look disastrous at first glance, as he has a 3.71 ERA through six appearances. However, he hasn’t exactly been racking up the outs. He started the season in the bullpen and made three long relief appearances, but then was moved to the rotation when Zach Davies landed on the injured list. His first start was solid, tossing four shutouts innings against the Brewers, throwing 54 pitches in the process. His next start wasn’t quite as good, as he threw 71 pitches but logged only 3 2/3 innings against the Cardinals. Then on Sunday, he only lasted one inning against the Padres. It took him 43 pitches, allowing three hits, three walks and three earned runs in the process.

“If he pitched better, he’d still be here,” manager Torey Lovullo said frankly yesterday, per Theo Mackie of the Arizona Republic. “That’s one of the things that (General Manager Mike Hazen) told him. A 43-pitch first inning puts us way behind, we’re kind of in a box, we’ve got to play a little catchup now with our bullpen. This was a direct response to what he did yesterday and a little bit of what he did in St. Louis as well.”

Those comments seem to reflect the win-now mentality that the club currently has. “We felt like the best thing for Drey at this point in time is to go down, get his timing, get his rhythm and find his stuff,” Lovullo said. “I said it last night: Good major league hitters, when they know you’re throwing a fastball, will get wood on a bullet. I stand by his ability to make pitches and when he does, he’s going to find his way back here.”

With Jameson going to Reno to try to earn his way back to the majors and Bumgarner out of the picture, the club is down to four starters on the roster in Zac Gallen, Merrill Kelly, Ryne Nelson and Henry. They have some off days coming up that could allow them to get by with that group, but it sounds like that’s not the plan. “We have discussed the four-man,” Lovullo said. “We know the off days are there. It was thrown around. We have not made any decisions, but I don’t think a four-man rotation right now is anything we’re interested in.”

Since the club needs a fifth starter, it makes speculative sense that a promotion of prospect Brandon Pfaadt could be imminent, though the club hasn’t made any kind of official announcement in that department. A telling sign could be if he makes his next scheduled start, as he’s currently slated to take the ball for Reno on Wednesday. A consensus top-50 prospect in the league, Pfaadt isn’t on the 40-man roster and would require a corresponding move if he gets the call. He has a 3.54 ERA through four starts in Triple-A this year, striking out 30.1% of batters faced while walking 4.8%.

Each MLB Team’s Players On WBC Rosters

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The World Baseball Classic is returning this year, the first time since 2017. The quadrennial event was supposed to take place in 2021 but was scuttled by the pandemic, now returning after a six-year absence. Rosters for the tournament were announced today and those can be found at this link. Here is a breakdown of which players from each MLB team are set to take participate. Quick caveat that this list is fluid and might be changed as more information becomes available.

Without further ado…

Angels

Astros

Athletics

Blue Jays

Braves

Brewers

Cardinals

Cubs

Diamondbacks

Dodgers

Giants

Guardians

Marlins

Mariners

Mets

Nationals

Orioles

Padres

Phillies

Pirates

Rangers

Rays

Red Sox

Reds

Rockies

Royals

Tigers

Twins

White Sox

Yankees

Diamondbacks Outright Humberto Castellanos, Tyler Zuber, Buddy Kennedy

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November 11: The Diamondbacks announced that they have outrighted Castellanos and Zuber, as well as infielder Buddy Kennedy.

November 10: The Diamondbacks announced a batch of roster moves today, reinstating five players from the 60-day injured list. They are infielders Nick Ahmed and Emmanuel Rivera, left-hander Tyler Gilbert, along with right-handers Humberto Castellanos and Tyler Zuber. Those latter two names have also been designated for assignment. That leaves the club’s 40-man roster at exactly 40.

Starting today and until Spring Training, there is no injured list. That means that most teams around the league are facing roster crunches as players on the 60-day IL have to retake their roster spots. The D-Backs reinstated these five but also had to designate a couple of them in order to get their roster down to an even 40.

Zuber, 28 in June, was just claimed off waivers from the Royals a couple of weeks ago. The fact that Arizona has quickly put him back into DFA limbo perhaps suggests that their plan in claiming him has been to pass him through waivers and hang onto his rights. He missed all of 2022 due to a shoulder impingement but recently began throwing again. When he was last healthy in 2021, he had poor results in the majors but put up a 2.83 ERA in Triple-A with a 37.1% strikeout rate, though an unfortunate 13.8% walk rate. If he clears waivers, the D-Backs can try to help him with his control but without Zuber taking up a roster spot.

As for Castellanos, 25 in April, he made 11 appearances for the Snakes in 2022, including nine starts. Unfortunately, he required Tommy John surgery in August and is likely to miss the entire 2023 season.

Diamondbacks Place Emmanuel Rivera On The Injured List, Select Jake Hager

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2:13 PM: The Diamondbacks have announced that Rivera has been transferred to the 60-day injured list. Their 40-man roster stands at 40.

1:25 PM: The Diamondbacks have announced that Infielder Emmanuel Rivera has been placed on the 10-day injured list with a fractured left wrist. In a corresponding move, Infielder Jake Hager’s contract has been selected from Triple-A Reno. The club will need to open a 40-man spot for Hager, but with the season winding down, they could easily transfer Rivera or another injured player to the 60-day injured list.

This marks the end of the season for Rivera, who was acquired by Arizona from the Royals in exchange right-hander Luke Weaver at the trade deadline earlier this season. Rivera’s season line of .233/.292/.409 has improved slightly since his arrival in Arizona, where he has slashed .227/.304/.424 in 148 plate appearances while primarily playing third base. Rivera, 26, isn’t slated to hit free agency until after the 2027 season, so he is likely to remain part of the Diamondbacks infield mix in the coming years.

As for Hager, the 2022 season has been spent mostly at the Triple-A level, where he has slashed .261/.342/.391 in 72 games. Hager previously joined the big league team in late May, playing shortstop, third base, and second base and slashing .240/.345/.280 in 28 games before being optioned back to Triple-A in early July. In August, Hager was designated for assignment and assigned outright to Reno.

D-Backs, Royals To Swap Luke Weaver For Emmanuel Rivera

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The Royals and Diamondbacks are nearing agreement on a deal that’ll send right-hander Luke Weaver to Kansas City for infielder Emmanuel Rivera, reports John Gambadoro of 98.7FM radio in Phoenix (Twitter link).

Weaver was once a high-profile acquisition of the Diamondbacks, coming over as part of the package they received for sending superstar Paul Goldschmidt to the Cardinals. After the first 12 starts he made for Arizona, it seemed like they had a rotation stalwart on their hands. Weaver put up a 2.94 ERA in 2019 with a 40.7% ground ball rate, 26.5% strikeout rate and 5.4% walk rate. Unfortunately, a forearm strain ended his season early and he hasn’t been quite the same since.

Weaver was healthy for the shortened 2020 campaign, making 12 starts and throwing 52 innings but putting up an ERA of 6.58 in that time. He was better in 2021, getting his ERA down to 4.25, but was limited to just 13 starts by a shoulder injury. Coming into this season, the D-Backs moved him to the bullpen, which has led to results both encouraging and discouraging. His 7.71 ERA is certainly unappealing, though there are reasons to believe that isn’t a true reflection of his work. His 24.1% strikeout rate and 6.2% walk rate are both better than league average, and he’s also allowing just 7.7% of his fly balls to leave the yard. What seems to be hurting his ERA is an unsustainable .434 batting average on balls in play and a 55.9% strand rate.

Still, this is a sample of just 16 1/3 innings after multiple seasons of disappointing results. The Royals won’t have a ton of time to get Weaver back on track, as he is set to reach free agency after the 2023 campaign. He’s making a salary of $2.875MM this year and is eligible for another pass through arbitration next year.

In exchange for Weaver, the Diamondbacks are getting Rivera, 26, a corner infielder who hasn’t hit much in the majors but has shown plenty of promise in the minors. Since making his MLB debut last year, he’s gotten into 92 games and hit .243/.294/.378 for a wRC+ of 87. However, in 63 Triple-A games last year, he hit .286/.348/.592 for a wRC+ of 144. In 20 games there this year, his line is .307/.388/.520, 142 wRC+.

Rivera is primarily a third baseman and would likely slot behind Josh Rojas on Arizona’s depth chart, though Rojas is capable of moving to other spots on the field if they really want to give Rivera a shot. Rivera’s also played some first base and could perhaps see some time there if the D-Backs pull the trigger on a Christian Walker trade, as they have reportedly considered. However he’s deployed, Rivera comes with an extended window of control, having come into this season with less than a year of MLB service time. He also can be optioned for the remainder of this year as well as another season, potentially delaying his free agency and arbitration.

For the Royals, they likely felt Rivera was squeezed out due to their crowded corner infield mix, with Nicky Lopez getting a lot of playing time at third, while Vinnie Pasquantino, Nick Pratto and Hunter Dozier are also around for first base or corner outfield duty. The designated hitter slot is also a little busy between that group and the catching duo of Salvador Perez and MJ Melendez. They’ve used that surplus of corner infield bats to add an intriguing arm, while the Diamondbacks have taken a pitcher they couldn’t get good results out of and turned him into a controllable infield depth option.

Royals Place Carlos Santana On 10-Day Injured List

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First baseman Carlos Santana has been placed on the Royals’ 10-day injured list due to right ankle bursitis.  Emmanuel Rivera was called up from Triple-A to take Santana’s spot on the active roster.

Kansas City manager Mike Matheny told reporters (including MLB.com’s Anne Rogers) that Santana suffered the injury while running the bases in Monday’s game, and continued soreness caused Santana to be a late scratch from Tuesday’s lineup.  No specific timeline was suggested for Santana’s return, but he might not be out of action too far beyond the 10-day minimum.

While it seems as though Santana has escaped a serious injury, the absence is still unlucky, as Rogers notes that Santana has finally started to produce at the plate.  The veteran slugger’s four-game hitting streak is pretty modest, yet it still stands out as a positive sign after Santana hit only .104/.307/.188 over his first 62 plate appearances.  After signing a two-year, $17.5MM free agent deal with the Royals in the 2020-21 offseason, Santana has still yet to get on track in a K.C. uniform, as he struggled through an injury-hampered 2021 campaign.

Hunter Dozier or Ryan O’Hearn are probably the likeliest candidates to fill in at first base during Santana’s absence.  Top prospect Nick Pratto is hitting pretty well at Triple-A, though the Royals might not call Pratto up and start his MLB service clock if Santana is only going to miss a couple of weeks.

Adalberto Mondesi Diagnosed With Torn ACL; Brady Singer Optioned To Triple-A

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11:19am: Royals general manager Dayton Moore announced that Mondesi has been diagnosed with a torn ACL (Twitter link via Lewis). That’ll quite likely end his season and, depending on his recovery, perhaps even his tenure with the team. Mondesi will be arbitration-eligible for the final time this winter. He’d likely command a salary similar to this year’s affordable $3MM rate, but coming off a major knee injury, it’s not a lock that he’ll be tendered a contract. The Royals will have the entire season to evaluate him and monitor his recovery before making that call. If he’s progressing well, it’s an eminently reasonable price, but only time will tell how the rehab process goes.

As for Singer, he will indeed be built back up as a starting pitcher in Omaha, Moore added. That could point to a quick turnaround and return to the Majors, assuming all goes well. Singer last pitched on April 26 and threw two innings. It’s feasible that he could make a start in the next few days.

11:15am: The Royals announced a series of roster moves Thursday, most notably optioning right-hander Brady Singer to Triple-A Omaha and placing shortstop Adalberto Mondesi on the 10-day injured list. Outfielder Kyle Isbel and infielder Emmanuel Rivera are up from Omaha in  pair of corresponding moves. Mondesi is dealing with a knee injury, and tests last night revealed some structural damage, per Alec Lewis of The Athletic (Twitter link).

Outside of a brief rehab assignment in 2021, it’ll be the first minor league stint for Singer since 2019, when he was only a year removed from being the No. 18 overall selection in the 2018 draft. Singer made the Royals’ Opening Day roster in 2020 and has been on the big league roster (or injured list) since that time. He looked like a potential fixture in the rotation after a solid rookie showing in 2020, when he pitched to a 4.06 ERA with league-average strikeout and walk rates plus an excellent 53.1% grounder rate in 64 1/3 innings.

The 2021 season didn’t go as smoothly, however. Singer had an up-and-down first half but was generally serviceable prior to the All-Star break, logging a 4.52 ERA in 85 2/3 innings. He was averaging under five innings per appearance, however, and by mid-July his velocity had dipped a bit from its early-season average. Singer was clobbered by the Orioles for seven runs in just two innings on July 17, and the Royals put him on the injured list with shoulder fatigue a couple days later. Singer returned in just under a month, but he didn’t make it through the remainder of the season, as he went back on the injured list in late September with a biceps strain.

Kansas City somewhat surprisingly moved Singer from the rotation to the bullpen this year — a new role for a pitcher who’d started all 39 of his prior big league appearances. The results so far haven’t been great; Singer yielded four runs on seven hits and a walk with six strikeouts in 6 2/3 innings. Manager Mike Matheny said at the time the Royals set their Opening Day rotation that the organization still viewed Singer as a starting pitcher in the long term. It’s possible, then, that Singer will get the opportunity to stretch back out and return to the Majors as a starting pitcher. Kansas City has gotten poor results from both Kris Bubic and Carlos Hernandez, which could open the door for Singer or some of the organization’s other young arms to seize a starting job.

Optioning Singer carries implications beyond the right-hander’s immediate role or even beyond the team’s current rotation mix, however. Because Singer broke camp with the Royals in 2020 and was on the roster all last season, he entered the year with exactly two years of MLB service time. He’d need to spend 172 days on the roster in 2022 to reach three years of service and remain on track for free agency following the 2025 season. If Singer spends more than two weeks in the minors, it’ll push that free-agent eligibility back to the 2026-27 offseason. He’d likely still qualify for arbitration as a Super Two player — barring a particularly lengthy stint in Omaha — but the amount of time he spends in the minors will nonetheless be worth monitoring closely.

As for Mondesi, the knee injury is the latest in a long line of ailments that have kept the talented but increasingly fragile infielder out of the lineup. Mondesi has missed time over the past few seasons with oblique, hamstring, groin and, most notably, shoulder injuries. The shoulder issue proved to be particularly costly, as Mondesi twice suffered a subluxation before undergoing surgery that came with a six-month recovery timeline.

Mondesi played in 59 of the Royals’ 60 games in 2020, but overall from 2019-21, he appeared in just 196 of 384 possible games (51%). There’s no clear timetable for just when Mondesi might rejoin the Royals, but the very mention of structural damage portends a potentially significant time away from the lineup.

In the interim, the Royals are deep in middle-infield options. Bobby Witt Jr. has been playing third base with Nicky Lopez at second base, but both are experienced and more than capable shortstops. Whit Merrifield has been lining up in the outfield more often than not this season but could certainly shift back to second base, with Lopez sliding over to shortstop. That setup could open the door for Isbel — an accomplished minor league hitter who’s yet to solidify himself in the big leagues — to get a larger look in the outfield.

Royals Designate Kelvin Gutierrez For Assignment, Select Emmanuel Rivera

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The Royals announced Monday that they’ve designated infielder Kelvin Gutierrez for assignment and selected the contract of fellow infielder Emmanuel Rivera from Triple-A Omaha. Rivera, who’ll be making his MLB debut, is batting sixth in tonight’s lineup and manning the hot corner.

Gutierrez, 26, was acquired from the Nationals back in the 2018 trade that sent righty Kelvin Herrera from K.C. to D.C. At the time of the swap, Gutierrez was arguably the top prospect headed back to Kansas City — a potentially plus defender at third base with above-average power but questions about his hit tool. His development, unfortunately, hasn’t rounded out as hoped.

The Royals gave Gutierrez a look in each of the past three seasons, but he’s mustered only a .226/.275/.309 slash through 223 Major League plate appearances. He’s posted a .289/.364/.429 slash in 84 Triple-A games as well, although given the hitter-friendly nature of that setting, that output checks in at roughly league average, per wRC+. Gutierrez hasn’t been as strong defensively as expected at third base, either;  he’s committed a dozen errors in 490 innings at third base while logging below-average marks in Defensive Runs Saved, Ultimate Zone Rating and Outs Above Average.

That said, Gutierrez can be optioned for the remainder of the 2021 season and has been an average or better hitter at nearly every minor league stop. He’ll turn 27 two months from now, but another club in need of some depth at third base could take a mostly free look at this point. The Royals have a week to trade Gutierrez or attempt to pass him through outright waivers.

Rivera’s call to the big leagues serves as an early birthday present, as he’ll turn 25 tomorrow. He’s spent the season with Triple-A Omaha and posted a .282/.337/.593 batting line with 14 home runs, 11 doubles and a triple so far in 193 plate appearances. He doesn’t walk much (6.2 percent in 2021) but also has a seemingly manageable strikeout rate (22.3 percent).

Rivera as a mid-range prospect for the Royals heading into the 2019 season, but a forgettable .258/.297/.345 (79 wRC+) performance in Double-A caused him to fall off most organizational rankings. This is the most productive season of his career so far, however, and he’ll now get a chance to carry it over to the big league level for a Royals club that can afford him ample playing time.

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