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Thyago Vieira

Thyago Vieira, Josh Winder To Undergo Tommy John Surgery

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Diamondbacks manager Torey Lovullo revealed today that right-handers Thyago Vieira and Josh Winder will both require Tommy John surgery, per Mark Feinsand of MLB.com. Both righties had been in camp as non-roster invitees but each will now miss the entire 2025 season.

Vieira, 32, was claimed off waivers from the Orioles in June. The following month, the Snakes put him back on waivers and passed him through unclaimed. He was invited to big league camp and could have earned his way back into the majors. However, that clearly won’t come to pass now.

The righty debuted in the majors back in 2017. He pitched in Japan from 2020 to 2022 but was in each major league season around that. He has 66 2/3 big league innings pitched in the majors between the Mariners, White Sox, Brewers, Orioles and Diamondbacks. He has a 5.81 earned run average, 20.8% strikeout rate and 13.1% walk rate. He’ll turn 33 in January of 2026 as he approaches the one-year anniversary of this surgery.

Winder, 28, was a promising prospect not too long ago but injuries have derailed him in recent years. In 2021, he posted a 2.63 ERA across 14 minor league starts. Baseball America ranked him the #6 prospect in Minnesota’s system going into 2022.

Despite the solid results, shoulder issues cropped up in 2021 which impacted him for the next few years. He spent time on the minor league injured list due to shoulder injuries in each season from 2021 to 2023. Last year, he was on the major league IL for the first couple of months of the campaign due to a scapular stress fracture.

Around those shoulder issues, Winder tossed 110 2/3 major league innings from 2022 through 2024, posting a 4.39 ERA with an 18% strikeout rate and 7% walk rate. But he was mostly kept in the minors after getting healthy last year and had a 6.15 ERA at the Triple-A level, pitching mostly in relief. The Twins outrighted him off the roster at season’s end.

He elected free agency and signed a minor league deal with the Diamondbacks, presumably hoping for a fresh start with a new club. Instead, he’ll have to spend the rest of the year rehabbing with an eye on returning at some point in 2026. He’ll celebrate his 29th birthday this coming October. Since neither Winder nor Vieira had a 40-man roster spot, they won’t collect service time for the upcoming season.

For the Snakes, they have a strong relief group overall, something that MLBTR’s Steve Adams recently took a detailed look at. These injuries will deprive them of some non-roster depth, though there are still many unsigned pitchers who could be brought aboard as reinforcements. As Opening Day nears, other guys will also shake loose as clubs make their final camp cuts.

Diamondbacks Outright Brandon Hughes, Thyago Vieira

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The Diamondbacks announced that both right-hander Thyago Vieira and left-hander Brandon Hughes have been sent outright to Triple-A Reno. Vieira was already off the 40-man roster because he was designated for assignment last week when the club acquired lefty A.J. Puk, but there was no similar reporting about Hughes, so this move drops the club’s 40-man roster count to 39.

Hughes, 28, signed a minor league deal with the Snakes in the offseason. He was selected to the club’s roster in late April but has mostly been on optional assignment this year. When he has been up in the majors, it hasn’t gone well, as he’s allowed 16 earned runs in 14 innings thanks to eight home runs allowed.

His time in Triple-A has naturally gone much better than that. He has a 2.08 ERA in his 34 2/3 innings for the Aces. His 18.4% strikeout rate and 11.4% walk rate are both a bit subpar, so his 82.6% strand rate probably gets a big assist in producing that ERA.

Hughes was evidently freely available to all clubs in the past few days but they all passed. This is his first career outright and he lacks three years of service time, so he doesn’t have the right to reject this outright assignment but he’ll qualify for minor league free agency if not added back to the roster by season’s end.

Vieira, as mentioned, was designated for assignment last week. He was claimed off waivers by the Diamondbacks in early June. He had a 2.87 ERA in 15 2/3 innings but undoubtedly benefited from a .220 batting average on balls in play and 81.4% strand rate. Since all teams passed on the chance to claim him, they probably focused more on his 21.2% strikeout rate and 13.6% walk rate, which are both subpar.

Like Hughes, this is his first career outright and he’s shy of three years of major league service time. He doesn’t have the right to elect free agency and will have to report to Reno to work in a non-roster capacity.

Diamondbacks Designate Thyago Vieira For Assignment

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The Diamondbacks announced they’ve designated Thyago Vieira for assignment. The move opens a spot in the bullpen for newly-acquired southpaw A.J. Puk, who has reported to the team. The transaction drops Arizona’s 40-man roster tally to 39.

Vieira has spent the past two months in the desert. The Snakes claimed him off waivers from the Orioles at the beginning of June. He made 11 appearances, allowing six runs (five earned) across 15 2/3 innings. Vieira struck out 14 and handed out nine free passes. Arizona is his third team of the season. He also had stints in Milwaukee and Baltimore and carries a 5.21 earned run average through 38 innings on the year.

The Brazilian-born righty is one of the harder throws in the game, averaging north of 97 MPH on his fastball. That hasn’t translated to huge whiff rates, though, and he has never harnessed his power stuff. Vieira has walked nearly 15% of opposing hitters this season and has a 13.1% walk percentage over parts of five big league campaigns.

Arizona is likely to place Vieira on waivers in the next few days. The 31-year-old has exhausted his minor league options, meaning another team would need to keep him in the big league ’pen if they claim him. Vieira does not have the previous career outright nor the three years of service time necessary to decline an outright assignment, so the Snakes could keep him in the organization if he goes unclaimed on waivers.

Diamondbacks Claim Thyago Vieira

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The D-backs claimed hard-throwing righty Thyago Vieira off waivers from the Orioles, who’d previously designated him for assignment, per an announcement out of Baltimore. The Diamondbacks already have two open spots on the 40-man roster and thus will only need to open a 26-man roster spot for the out-of-options Vieira.

Vieira isn’t the only bullpen move coming for the Snakes, however. Ari Alexander of KPRC-2 reports that they’re calling lefty Joe Jacques up from Triple-A Reno for what’ll be the southpaw’s team debut. Arizona claimed Jacques off waivers from Boston back in April.

The 30-year-old Vieira made just one appearance for the O’s, who acquired him from the Brewers following a separate DFA. He faced five batters in his lone Orioles appearance but didn’t record an out, yielding a hit and four walks. He’d go on to be charged for three earned runs. He also struggled through 22 1/3 innings in Milwaukee and currently sports an ugly 6.85 ERA on the season. In 51 career innings at the MLB level, Vieira has a 6.71 ERA with a 20.7% strikeout rate and bloated 13% walk rate.

It’s a nondescript track record, but Vieira is also one of MLB’s hardest throwers, averaging 98 mph on his heater and frequently touching triple digits. Command has been an ongoing issue for him, but the raw power of his repertoire continues to pique teams’ interest. The right-hander also had a nice run with the Yomiuri Giants of Japan’s Nippon Professional Baseball from 2020-22, posting a 3.61 ERA with a hearty 26.2% strikeout rate. Since Vieira is out of minor league options, he’ll immediately join the big league bullpen, but that lack of flexibility could also have him on a short leash if he continues to struggle as he did in Milwaukee and Baltimore.

Both Vieira and Jacques will add fresh arms to an Arizona bullpen that needed to cover seven innings in a blowout loss after Jordan Montgomery lasted just two innings. Relievers Bryce Jarvis, Brandon Hughes and Logan Allen all pitched at least two innings yesterday and figure to be unavailable today if at all possible. Righty Kevin Ginkel threw 35 pitches a day prior as well, adding to the currently taxed nature of manager Torey Lovullo’s relief corps.

Orioles Designate Thyago Vieira For Assignment

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The Orioles announced Monday that they’ve designated right-hander Thyago Vieira for assignment. His spot on the roster will go to top infield prospect Connor Norby, whose previously reported promotion to the big leagues has now been formally announced by the team. Baltimore also placed infielder/outfielder Jorge Mateo on the 7-day concussion list and recalled left-hander Nick Vespi from Triple-A Norfolk.

The Orioles only recently acquired the 30-year-old Vieira in a trade with the Brewers, who’d also designated him for assignment. Baltimore added Vieira and righty Aneuris Rodriguez, sending minor league right-hander Garrett Stallings back to Milwaukee. Based on the way things played out with Vieira, it seems Rodriguez was the more interesting component of that swap for the O’s.

Vieira made only one appearance as a member of the Orioles, and went about as poorly as a debut could go. The right-hander faced five hitters but didn’t retire any of them, yielding a hit and four walks before being lifted from the game. He wound up being charged with three runs in what could very well end up an extremely brief stay in the organization.

Vieira is one of baseball’s hardest throwers, averaging 98 mph on a fastball that has often touched triple digits. He’s now appeared in 17 big league games this season and yielded runs in ten of them, however. In 22 1/3 frames between the Brewers and O’s, he’s logged an ugly 6.85 ERA. Despite his premium velocity, Vieira’s shaky command has undercut his ability to pile up strikeouts. This year’s 22.5% strikeout rate is effectively league-average (22.3%), but his 15.3% walk rate is one of the highest marks in baseball. He’s also struggled with home runs, yielding an average of 2.42 big flies per nine innings.

Though his MLB experience is limited, Vieira had a mostly solid run with Japan’s Yomiuri Giants in Nippon Professional Baseball from 2020-22. Command was still a problem for him even when pitching overseas, but he notched a 3.61 ERA there and whiffed 26.2% of his opponents. His pre-NPB track record in the majors was nearly as spotty as his results so far in 2024, however. Overall, he’s totaled 51 MLB innings but posted a 6.71 ERA with a 20.7% strikeout rate and 13% walk rate. The Orioles will have a week to trade Vieira, attempt to pass him through outright waivers, or release him.

As for Mateo, he’ll head to the concussion list on the heels of a freak injury. He was clipped in the head by teammate Cedric Mullins’ bat when Mateo reached into the on-deck circle to grab a weight for his bat (X link with video). Ramon Urias subsequently pinch-hit for Mateo.

Once the Orioles’ primary shortstop, Mateo has instead seen the bulk of his action at second base this year, in addition to four appearances in center and two at his now-former shortstop slot. He’s hitting .246/.294/.447 with three homers and ten stolen bases in 128 plate appearances on the year.

Orioles Acquire Thyago Vieira

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The Orioles and Brewers have announced a three-player trade that will see the O’s land right-handers Thyago Vieira and Aneuris Rodriguez.  Milwaukee will receive minor league righty Garrett Stallings in return.

Vieira is the only member of the trio with any Major League experience, as the Sao Paulo native has a 6.18 ERA over 51 career innings in the Show.  He appeared in parts of the 2017-19 seasons with the Mariners and White Sox before spending the next three seasons in Japan, and then returning to North American baseball via a minors deal with the Brewers in the 2022-23 offseason.

After making two appearances with Milwaukee’s big league roster last year, injuries opened up more opportunity for Vieira this season, though he didn’t exactly capitalize.  The right-hander posted a 5.64 ERA over 22 1/3 innings for the Crew, allowing six home runs and walking 12.3% of batters.  Despite a big fastball with regular high-90s velocity, Vieira has yet to translate that heat into high-level strikeout volume, as he whiffed a decent but unspectacular 23.6% of batters faced this season.

Between that velocity and solid numbers in NPB and with the Brewers’ Triple-A affiliate in 2023, it isn’t hard to see why the Orioles might have an interest in seeing if Vieira might still be a late bloomer at age 31.  A classic case of a hard thrower with control issues, Vieira’s potential is obvious if the O’s can figure out a way for the righty to harness his stuff.  The Brewers have had a lot of success in helping unheralded pitchers unlock their ability in recent years, though the team opted to move on by designating Vieira for assignment earlier this week.

Rodriguez is more of a longer-term lottery ticket of a prospect, as the righty is still a few weeks away from his 20th birthday.  His pro experience has been limited to two seasons in the Dominican Summer League and some rookie ball action this year, with a cumulative 3.67 ERA over 83 1/3 total innings.

Stallings was a fifth-round pick for the Angels in the 2019 draft, and he came to Baltimore’s organization as part of the return in the December 2020 trade that sent Jose Iglesias to Los Angeles.  Stallings has a 5.41 ERA, 23.1% strikeout rate, and 6.48% walk rate over 379 1/3 career minor league innings.  That includes a 5.52 ERA in 101 innings of Triple-A work, as he has pitched as both as a starter and a reliever at Baltimore’s top affiliate in each of the last two seasons.

Brewers Designate Thyago Vieira For Assignment, Promote Bradley Blalock

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The Brewers announced Monday that right-hander Thyago Vieira has been designated for assignment. His spot on the roster will go to right-hander Bradley Blalock, who’s been called up from Double-A Biloxi for what will be his MLB debut. Milwaukee also optioned outfielder Chris Roller to Triple-A Nashville and reinstated fellow outfielder Joey Wiemer from the injured list.

Vieira, 30, is one of the game’s hardest-throwing pitchers, averaging 98 mph on his heater this season and frequently touching triple digits. However, he’s been scored upon in nine of his 16 appearances this season, resulting in a 5.64 ERA over 22 1/3 innings. While Vieira has fanned a solid 23.6% of his opponents, he’s also walked 12.3% of the batters he’s faced. Even more troublesome has been his penchant for loud contact. Opponents have belted six homers off him already this year — an average of 2.42 round-trippers per nine frames.

One of just five Brazilian-born players in big league history, Vieira had a nice run with the Yomiuri Giants of Japan’s Nippon Professional Baseball from 2020-22. He’s been with the Brewers since returning stateside and had brief looks with the Mariners (one inning in 2017) and White Sox (24 2/3 innings from 2018-19) prior to that. Overall, the flamethrowing righty has pitched 51 MLB frames and surrendered a 6.18 ERA with a 21.2% strikeout rate and 11.6% walk rate. The Brewers will have a week to trade him, attempt to pass him through outright waivers, or release him.

Blalock, 23, was a 32nd-round pick by the Red Sox in 2019 who was traded from Boston to Milwaukee in last year’s Luis Urias swap. The right-hander has elevated his status considerably since that humble draft selection, never more so than in 2024, when he’s opened the season with seven starts of 2.27 ERA ball at the Double-A level. That marks Blalock’s first action above A-ball. He’s fanned a below-average 20.6% of his opponents this year but posted an excellent 5% walk rate and roughly average 43.1% ground-ball rate.

Entering the 2024 season, Blalock ranked 13th among Milwaukee farmhands at FanGraphs, 17th at MLB.com and 22nd at Baseball America. The righty draws praise for his above-average command, a fastball that sits 92-96 mph and a smattering of average or nearly average secondary offerings (slider, split-change, curveball). FanGraphs’ Eric Longenhagen likens his upside to that of a Jose Urquidy type of back-end starter who could shift to a long-relief role on a playoff roster.

The Brewers don’t need a starter in the coming days, but Blalock will be on hand to give them some length in the event of a short start from righty Joe Ross today. It’s also possible he could slot into an injury-plagued staff within the next few days. Ross is slated to pitch today, with rookie Robert Gasser on the mound tomorrow and Freddy Peralta to follow Wednesday. Milwaukee is off Thursday and then set to go Bryse Wilson, Colin Rea and Ross again for their upcoming weekend slate in Boston, where Blalock could potentially face the organization that drafted him.

With Brandon Woodruff, Wade Miley, Jakob Junis and DL Hall all on the injured list at the moment, the Brewers have been patching things together in the starting staff. Even if he’s not stepping into the rotation right now, it’s possible Blalock could eventually be called upon to start some games later in the summer.

Brewers Select Thyago Vieira

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The Brewers announced that they have selected right-hander Thyago Vieira from Triple-A Nashville, with left-hander Clayton Andrews optioned in a corresponding move. They already had a vacancy on the 40-man roster.

Vieira, 30, got some limited major league action from 2017 to 2019, tossing 25 2/3 innings with a 7.36 earned run average for the Mariners and White Sox. His fastball averaged in the high 90s and he flashed some big strikeout numbers at times but also battled control issues.

He signed with the Yomiuri Giants of Japan’s Nippon Professional Baseball prior to 2020 and spent three years with that club. He posted a 3.61 ERA over 92 appearances for them, striking out 26.2% of batters faced but walking 13.2% of them. The Brewers signed him to a minor league deal coming into this season and he has been with Triple-A Nashville for the year. He tossed 37 2/3 innings at that level with a 3.35 ERA, striking out 31.7% of opponents while limiting his walks to a 9.3% clip.

Based on his solid season of work at Nashville, the Brewers will give him his first shot at the big leagues since 2019 and see if he can carry over his results. If he does, he will give the club a boost for the playoff race, with the Brewers currently holding a lead of 2.5 games over the Cubs.

Brewers, Thyago Vieira Agree To Minor League Deal

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The Brewers and hard-throwing righty Thyago Vieira are in agreement on a minor league contract with an invitation to Major League Spring Training, reports Adam McCalvy of MLB.com (via Twitter).

Vieira, one of just five Brazilian-born pitchers in MLB history, appeared in parts of three MLB campaigns with the Mariners (2017) and White Sox (2018-19) before signing with the Yomiuri Giants of Japan’s Nippon Professional Baseball for the 2020 season. The flamethrowing righty at one point ranked within the top 20 prospect in both Seattle’s and Chicago’s systems, due in no small part to a power fastball that averaged 97 mph during those three big league seasons and can at times crack triple digits.

As is so often the case for flamethrowing young prospects, however, command has been an issue for Vieira. The right-hander has walked just over 11% of his opponents both in Triple-A and the Majors, and he’s also been susceptible to plunking batters with errant pitches. He’s tossed just 25 2/3 innings at the MLB level but has hit three batters and snapped six wild pitches in that brief time. Overall, Vieira logged a 7.36 ERA in those 25 2/3 innings.

Vieira has fared much better in parts of three seasons in Japan. While his walk issues actually worsened in his debut campaign with the Giants, he’s since pared them back. Vieira notched a 2.93 ERA and saved 19 games in 2021, and while injury limited his time on the field in 2022, he was outstanding when healthy. In 20 innings with the Giants this past season, he posted a pristine 0.90 ERA with a 37.3% strikeout rate and 9.3% walk rate. All told, Vieira leaves Japan with a 3.61 ERA, a 26.2% strikeout rate and a 13.2% walk rate.

Vieira is a clear project for the Brewers’ development staff, but he’s an intriguing one who’s armed with a blistering heater who won’t turn 30 years old until July. The Brewers surely aren’t banking on anything from him right now, but he’ll get the opportunity to compete for a bullpen role this spring. If he doesn’t make the club, he can work on honing his command in Triple-A Nashville while awaiting an MLB opportunity in Milwaukee.

NPB’s Yomiuri Giants Re-Sign Thyago Vieira, Zelous Wheeler

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The Yomiuri Giants of Nippon Professional Baseball have re-signed right-hander Thyago Vieira and first baseman/outfielder Zelous Wheeler, according to reports out of Japan.  Both players will be entering their third season with the Giants, though Wheeler is a longtime veteran of NPB, having also played with the Rakuten Golden Eagles from 2015-2019.

Vieira tossed 25 2/3 innings over parts of three seasons with the Mariners and White Sox from 2017-19, with a 7.36 ERA to show from this brief taste of the majors.  The hard-throwing righty found his groove after joining the Tokyo-based Giants  prior to the 2020 campaign, and he has a 3.04 ERA and a 26.9% strikeout rate over 80 relief innings in the last two seasons.  A 12.4% walk rate represents the down side of those numbers, as Vieira’s big fastball has been undermined by a lack of control both in American and Japanese baseball.

Back in October, MLB.com’s Mark Feinsand reported that as many as five big league clubs had interest in bringing Vieira back to North America, though no deal materialized prior to the lockout.  It could be that Vieira simply preferred to remain in a familiar environment rather than compete with a rush of other pitchers scrambling for contracts once the transactions freeze eventually ends, as there wasn’t necessarily a sure thing that Vieira would even have landed a guaranteed Major League deal.

Wheeler turns 35 next month, and though his only MLB experience was 62 plate appearances with the Yankees in 2014, the veteran is now set to enter his 16th season in pro ball.  A 19th-round pick for the Brewers back in 2007, Wheeler spent eight years in the Milwaukee, Baltimore, and New York organizations before embarking on what has become a lengthy stint in Japan.  Wheeler has hit .264/.339/.458 with 133 home runs over his 3107 plate appearances in NPB, bouncing back from a down year in 2020 to hit .290/.358/.477 with 15 homers in 439 PA for last season’s Giants club.

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