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Tanner Houck SP | BOS
Red Sox's Tanner Houck: Fans six in no-decision
Houck came away with a no-decision in the first game of Saturday's doubleheader against the Guardians, giving up four runs on eight hits and a walk over five innings. He struck out six.
The right-hander has yet to put together back-to-back strong outings this season, but there were signs of progress Saturday for Houck. He generated 32 called or swinging strikes among his 94 pitches (61 total strikes), and he avoided issuing multiple free passes for the first time in 2025. Houck is still looking for his first win of the year, and he'll take a 7.58 ERA, 1.69 WHIP and 24:12 K:BB through 29.2 innings into his next start, which is scheduled to come on the road next week in Toronto.
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Tyler Mahle SP | ATL
Rangers' Tyler Mahle: Limits damage in no-decision
Mahle allowed two runs on eight hits and a walk while striking out one over five innings in a no-decision versus the Giants on Saturday.
This could have been much worse for Mahle, but he induced a couple of double plays to limit the damage. A game-tying two-run single by Willy Adames in the fifth inning took Mahle out of the running for the win. The right-hander has still put together an excellent first month of the season, pitching to a 1.14 ERA, 0.98 WHIP and 26:13 K:BB in 31.2 innings over six starts. This was the first time he's allowed multiple runs in an outing this season, though an early hook in his 1.2-inning season debut spared him an uglier stat line in that game. Mahle is tentatively projected to make his next start at home versus the Athletics.
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Michael Burrows SP | HOU
Pirates' Mike Burrows: Headed back to Triple-A
The Pirates optioned Burrows to Triple-A Indianapolis on Saturday, Colin Beazley of the Pittsburgh Post-Gazette reports.
The move makes room on the 26-man roster for the reinstatement of Colin Holderman (knee) from the 15-day injured list. Burrows was brought up to the majors April 24, but did not appear in a game for the Pirates. He's made three starts in Triple-A, posting a 4.38 ERA, 1.24 WHIP and 11-5 K:BB across 12.1 innings.
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Casey Mize SP | SD
Tigers' Casey Mize: Sharp in fourth win
Mize (4-1) picked up the win in the first game of Saturday's doubleheader against the Orioles, allowing one run on eight hits over 5.1 innings. He struck out five without walking a batter.
The right-hander made only one real mistake on the afternoon, which Ryan O'Hearn deposited into the left-field seats for a solo shot in the fourth inning. Mize has given up one run or fewer in four of his five starts to begin the season, and he'll take a 2.12 ERA, 1.04 WHIP and 23:7 K:BB through 29.2 innings into his next outing, which lines up to come on the road next week against the Angels.
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Robbie Ray SP | SD
Giants' Robbie Ray: Seven strong innings Saturday
Ray allowed two runs on five hits and a walk while striking out eight over seven innings in a no-decision versus the Rangers on Saturday.
Both runs allowed came on sacrifice flies by Jake Burger over the first three innings. Ray was able to have his longest start of the year thanks to an efficient performance, which saw him throw 69 of 97 pitches for strikes. The one walk matched his season low, while the eight strikeouts equaled his season high. He's taken three straight no-decisions but still doesn't have a loss through six starts (3-0) in 2025. Ray is at a 3.73 ERA, 1.40 WHIP and 33:19 K:BB over 31.1 innings. He'll look to build on this strong outing in his next start, which is projected to be at home versus the Rockies.
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Logan Gilbert SP | SEA
Mariners' Logan Gilbert: Lands on IL with elbow strain
The Mariners placed Gilbert on the 15-day injured list Saturday due to a right elbow flexor strain.
Gilbert underwent an MRI on Saturday which revealed a Grade 1 flexor strain, per Daniel Kramer of MLB.com. The good news is that the injury strain isn't more severe, but Gilbert will not throw for the next two weeks before being re-evaluated to determine the next steps in his recovery program.
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Chayce McDermott RP | NYM
Orioles' Chayce McDermott: Rehab assignment on tap
McDermott (lat) will begin a rehab assignment at Double-A Chesapeake on Sunday, Jacob Calvin Meyer of The Baltimore Sun reports.
McDermott has been on the injured list all season due to a right lat strain that he suffered in February. He's been facing hitters at the team's complex in Florida for the past several days and has now been given the green light to test his lat in a competitive setting. Because he missed nearly all of spring camp, he will likely require several starts in the minors before being activated off the IL.
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Brandon Young SP | BAL
Orioles' Brandon Young: Optioned following Saturday's game
The Orioles optioned Young to Triple-A Norfolk following the Orioles' 4-3 loss to the Tigers in the first game of Saturday's doubleheader.
Young took the loss in the matinee, allowing three runs on four hits and five walks while striking out six in 4.2 innings. Young started two games for the Orioles, and his move to Triple-A indicates that Kyle Gibson (back) could make his season debut next week. Grant Wolfram was recalled from Norfolk in a corresponding move.
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Keider Montero SP | DET
Tigers' Keider Montero: Starting Game 2 as 27th man
The Tigers added Montero to their roster as the 27th man for Saturday's doubleheader, and he will start the nightcap against Baltimore, Cody Stavenhagen of The Athletic reports.
The Tigers didn't use Montero out of the bullpen during Game 1, so they'll give the 24-year-old his third start of the season Saturday. He's allowed eight earned runs over 9.1 innings in the majors so far this season but will have a decent chance to bounce back against an Orioles offense that ranks 20th in the majors with a .692 OPS.
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Michael Kopech SP | LAD
Dodgers' Michael Kopech: Ramping up bullpen sessions
Kopech (shoulder) threw a 30-pitch bullpen session Thursday and is scheduled for another Monday before potentially being cleared to face live batters, Benjamin Royer of the Los Angeles Times reports.
The right-hander's throwing program stalled in late March due to a shoulder impingement after he came into camp with some forearm inflammation, but he's now nearing the latter stages of his rehab program. Kopech will likely require a few rehab appearances in the minors before rejoining the Dodgers, so he's likely still at least a couple weeks away from being reinstated.