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Nick Frasso RP | COL
Dodgers' Nick Frasso: Elevated to big leagues
The Dodgers recalled Frasso from Triple-A Oklahoma on Saturday.
Frasso will make his first appearance in the major leagues after toiling in the organization's minor-league system since 2021. The 27-year-old has posted a 4.85 ERA, 1.85 WHIP and 24:10 K:BB across 13 innings at the Triple-A level this season. The right-hander takes the spot of Tyler Glasnow (back) on the active roster following the latter's transfer to the 60-day injured list.
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Louie Varland RP | TOR
Blue Jays' Louis Varland: Secures 10th save
Varland tossed a perfect ninth inning to earn the save in Saturday's 6-4 win over the Orioles. He did not record a strikeout.
Varland was called upon to protect a two-run lead in the ninth inning and did so on just eight pitches. The 28-year-old is now a perfect 10-for-10 in save chances this season and has gone 17 straight appearances without allowing an earned run. He owns a 0.27 ERA, 0.96 WHIP and 43:9 K:BB across 33.1 innings, with the lone knock on his fantasy value being that he's occasionally been deployed before the ninth frame in other high-leverage situations.
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Ben Brown RP | CHC
Cubs' Ben Brown: Strong again in no-decision
Brown did not factor into the decision in Saturday's 3-2 extra-inning win over the Giants, allowing one hit and one walk while striking out five over 5.1 scoreless innings.
Brown threw just 51 of 87 pitches for strikes but managed to keep the Giants off the board, departing two outs shy of what would have been his third straight quality start. Since joining the rotation May 8, the 26-year-old has allowed more than one earned run just once in six outings. He'll carry a stellar 1.74 ERA, 0.88 WHIP and 58:16 K:BB across 57 innings into a road matchup against the Rockies next week.
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Brian Fitzpatrick RP | MIL
Brewers' Brian Fitzpatrick: Placed on injured list
The Brewers placed Fitzpatrick (elbow) on the 15-day injured list Saturday, Curt Hogg of the Milwaukee Journal Sentinel reports.
The results of Fitzpatrick's MRI are still unknown, though the Brewers have already determined that the 26-year-old lefty will need to spend time on the injured list. Drew Rom was selected from Triple-A Nashville in a corresponding move to fill the void in Milwaukee's bullpen.
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Jovani Moran RP | BOS
Red Sox's Jovani Moran: Placed on IL
The Red Sox placed Moran on the 15-day injured list Saturday, retroactive to Friday, with left elbow inflammation, Tim Healey of The Boston Globe reports.
Moran struck out three batters over two shutout innings during his last appearance Thursday, but he appears to have come away from the outing with elbow trouble. It's unknown whether his inflammation is the result of a structural issue, but he'll remain out for at least two weeks either way. Alec Gamboa was recalled from Triple-A Worcester in a corresponding move.
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Alec Gamboa RP | BOS
Red Sox's Alec Gamboa: Recalled from Worcester
The Red Sox recalled Gamboa from Triple-A Worcester on Saturday, Ari Alexander of 7 News Boston reports.
Gamboa struck out two batters during a scoreless inning in his MLB debut May 5, and he has since posted a 1.89 ERA and 0.84 WHIP in 19 frames at Triple-A. He'll replace Jovani Moran (elbow) on the active roster and give the Red Sox another fresh arm in the bullpen for Saturday's game against the Yankees. He could stay in the majors for a longer look if he continues to pitch well.
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Drey Jameson RP | ARI
Diamondbacks' Drey Jameson: Recalled by Arizona
The Diamondbacks recalled Jameson from Triple-A Reno on Saturday.
The move corresponds with Kade Strowd being optioned to Reno following Friday's game against the Nationals. Jameson has spent the entire 2026 season in Triple-A, where he has a 7.33 ERA, 1.60 WHIP and 23:12 K:BB across 23.1 innings. He appeared in three regular-season games for the Diamondbacks in 2025, allowing two runs (one earned) on four hits and three walks over three innings while logging one save.
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Kade Strowd RP | ARI
Diamondbacks' Kade Strowd: Optioned to Triple-A
The Diamondbacks optioned Strowd (arm) to Triple-A Reno following Friday's game against the Nationals.
Strowd made his 2026 debut with Arizona against Washington on Friday, when he allowed one run on one hit and three walks while striking out one batter in one inning. However, Strowd left the game with a trainer after experiencing dead arm and will be re-evaluated by the medical staff, per Alex D'Agostino of SI.com. Strowd will go back down to Triple-A, with Drey Jameson taking Strowd's spot in the Diamondbacks' bullpen.
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Hunter Dobbins SP | STL
Cardinals' Hunter Dobbins: Slated to start next week
Cardinals manager Oliver Marmol told reporters Saturday that Dobbins' next appearance will be as a starting pitcher, Jeff Jones of the Belleville News-Democrat reports.
The Cardinals will go with a six-man rotation for at least one turn, with Dobbins slated to take the mound on the road either against the Mets or Twins. The 26-year-old right-hander has pitched well in his two outings since being recalled from Triple-A Memphis this past Sunday, recording a win and a save while allowing one run on eight hits and two walks while striking out 10 across 8.2 innings.
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Mason Barnett RP | ATH
Athletics' Mason Barnett: Stellar in relief Friday
Barnett allowed a hit and two walks while striking out seven over four scoreless innings of relief in Friday's 5-1 loss to the Astros.
Entering after four-plus innings of five-run ball from starter Jack Perkins, Barnett was able to pitch the remainder of the game and did so without allowing a run while recording a game-high seven strikeouts. It marked the right-hander's first big-league appearance since being recalled from Triple-A Las Vegas on Tuesday and just his second outing of the season, with the first consisting of two scoreless innings April 19. While this appearance came in relief, Barnett made five starts with the Athletics last season and has continued to operate primarily as a starter in Triple-A. That experience could lead him to the starting rotation if Perkins continues to struggle or Kade Morris is unable to establish himself.