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Player Bio

HT/WT: 6-1, 190 lbs
Birthplace: Okeechobee, FL
Age: 26
Experience: R
Bats/Throws: R, R

Last Game

Wed, Sep 16
vs San Diego Padres (83-69)
  • Coors Field
9
Final
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    Highlights: Padres at Rockies (9/16)

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    Highlights: Padres at Rockies (9/15)

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    Padres Surging, Hold Final NL Wild Card Spot

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    Week 22 Sleepers & Two-Start Pitchers! Kyle Leahy IS ON FIRE!

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    Rays Overpower Athletics for 8th Straight Win

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    White Sox Acquire Brenton Doyle

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2026 Pitching

STATS IP
Innings Pitched
W
Wins
L
Losses
ERA
Earned Run Average
SO
Strikeouts
BB
Base on Balls (Walk)
Regular Season 23 0 1 5.09 23 12

Top Mason Adams News

  • Rockies' Mason Adams: Yields six runs in loss

    Adams (0-1) allowed six runs on eight hits and three walks while striking out one over 4.1 innings to take the loss versus the Padres on Wednesday.

    Adams was under the five-inning mark for the third time in five starts in the majors, and this was his worst outing yet. While he gave up just two extra-base hits, the Padres were able to pick him apart, racking up at least one run in four of the five innings Adams pitched in. Through 23 innings, he has a 5.09 ERA, 1.65 WHIP and 23:12 K:BB as well as six home runs allowed. Adams is projected to make his next start at home versus the Diamondbacks.

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  • Rockies' Mason Adams: Stingy in Friday's no-decision

    Adams didn't factor into the decision in Friday's 6-2 loss to the Tigers, allowing one run on two hits and three walks over five innings. He struck out five.

    The rookie right-hander continues to give the Rockies quality innings, and through his first 18.2 big-league frames he sports a 3.38 ERA, 1.45 WHIP and 22:9 K:BB. Adams is still looking for his first win -- all four of his starts so far have resulted in no-decisions -- and he's served up five homers despite making only one start at Coors Field, suggesting his luck could run out soon. With Kyle Freeland (neck) potentially set to return from the IL next week, however, Adams could get bumped to the bullpen before it does.

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  • Rockies' Mason Adams: Fans seven in no-decision

    Adams allowed three runs on eight hits and a walk while striking out seven over 4.2 innings in a no-decision versus the Cardinals on Saturday.

    Adams logged the highest strikeout total of his three starts so far, but his Coors Field debut was otherwise unimpressive. All three runs he allowed came on homers, as Joshua Baez hit a solo shot in the second inning and Ivan Herrera added a two-run blast in the fifth. Adams is now at a 3.95 ERA, 1.61 WHIP and 17:6 K:BB through 13.2 frames in the majors. He's projected to make his next start at Detroit.

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  • Rockies' Mason Adams: Drawing another start

    Adams is slated to start for the Rockies in Sunday's game in Atlanta.

    Adams will receive a second turn through the Colorado rotation after working four innings in a no-decision during his MLB debut Tuesday. Though he's a placeholder in the rotation for the injured Kyle Freeland (neck), Adams could make additional starts over the balance of the season if he acquits himself well.

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  • Rockies' Mason Adams: Solid in second start

    Adams did not factor into the decision Sunday against Atlanta, allowing two runs on five hits and two walks over five innings. He struck out five.

    Both runs charged to Adams came in the third inning -- Sean Murphy led off the frame with a solo home run before Ronald Acuna drove in a second with a two-out hit. Overall, Adams has been solid through his first two major-league starts, allowing three runs on eight hits while striking out 10 over nine innings. If Kyle Freeland (neck) is unable to return, Adams would line up for a home matchup with the Cardinals his next time out.

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  • Rockies' Mason Adams: No-decision in MLB debut

    Adams didn't factor into the decision in Tuesday's 3-1 win over the Nationals, allowing one run on three hits and three walks over four innings. He struck out five.

    Making his big-league debut, Adams tossed 48 of 75 pitches for strikes but couldn't stick around long enough to qualify for his first MLB win. The right-hander was picked up from the White Sox at the trade deadline in the Brenton Doyle trade and has looked good this season at Triple-A in his return from Tommy John surgery, posting a 3.67 ERA, 1.20 WHIP and 49:20 K:BB through 49 innings between Charlotte and Albuquerque prior to his promotion. Adams is filling in for Kyle Freeland (neck) in the Rockies' rotation, but if he continues to pitch reasonable well, he could keep his spot for the remainder of the season. Adams is set to make his next start on the road this weekend in Atlanta.

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  • Rockies' Mason Adams: Promoted for MLB debut

    The Rockies selected Adams' contract from Triple-A Albuquerque, and he will start Tuesday's game against the Nationals.

    It will be the major-league debut for the 26-year-old, who has a 3.67 ERA, 1.20 WHIP and 49:20 K:BB across 49 innings at the Triple-A level this year. Adams was acquired from the White Sox in the Brenton Doyle trade in early August and could get at least a couple turns through the rotation after Kyle Freeland (neck) was placed on the injured list Monday.

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  • Rockies' Mason Adams: MLB debut coming Tuesday

    The Rockies plan to call up Adams from Triple-A Albuquerque to pitch in Tuesday's game against the Nationals in Washington, D.C., Thomas Harding of MLB.com reports.

    Adams is expected to be deployed as either a traditional starter or bulk reliever as a replacement in the rotation for lefty Kyle Freeland (neck), who is slated to go on the 15-day injured list. Acquired Aug. 3 as part of the deal that sent outfielder Brenton Doyle to the White Sox, Adams has posted a 2.08 ERA, 0.92 WHIP and 13:3 K:BB in 13 innings over three starts at Albuquerque.

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  • Rockies' Mason Adams: Shipped to Colorado

    The Rockies acquired Adams and infielder Carlos Vielma from the White Sox on Monday in exchange for outfielder Brenton Doyle, Mark Feinsand of MLB.com reports.

    Adams was on the shelf to begin the season while completing his recovery from April 2025 Tommy John surgery, but he's maintained health since finishing up his rehab assignment at reporting to Triple-A Charlotte on June 11. Through nine appearances (seven starts) with Charlotte, Adams posted a 4.25 ERA, 1.31 WHIP and 36:17 K:BB over 36 innings. The 26-year-old righty is expected to report to Triple-A Albuquerque with his new organization.

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  • White Sox's Mason Adams: Returns after Tommy John surgery

    Adams (elbow) has posted a 5.74 ERA, 1.34 WHIP and 18:5 K:BB in 15.2 innings over four starts with Triple-A Charlotte since being assigned to the affiliate after being activated from Double-A Birmingham's 60-day injured list June 11.

    Adams made a fairly swift recovery from Tommy John surgery, which he underwent April 2, 2025. He kicked off a rehab assignment just over 13 months after surgery, making five appearances between the rookie-level Arizona Complex League and High-A Winston-Salem before joining the Charlotte rotation. The 26-year-old righty is regarded as one of the White Sox's better upper-level starting pitching prospects, but he's not on the 40-man roster and is likely behind a few other arms in the pecking order for a call-up to the big club.

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  • White Sox's Mason Adams: Undergoes Tommy John surgery

    The White Sox announced that Adams underwent successful Tommy John surgery Wednesday, Scott Merkin of MLB.com reports.

    Adams, 25, would have had a chance to reach the majors in 2025 if he was healthy, but now he's likely to out until at least midseason of 2026. He posted a 2.92 ERA and 110:28 K:BB over 120.1 innings between Double-A Birmingham and Triple-A Charlotte in 2024.

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  • White Sox's Mason Adams: Dealing with flexor strain

    Adams was diagnosed with a flexor strain in his right elbow Sunday, Scott Merkin of MLB.com reports.

    The 25-year-old is without an official return timeline but is likely to be sidelined for multiple weeks, if not months. Adams received a promotion to Triple-A Charlotte late last season and had a 4.95 ERA, 1.60 WHIP and 10:9 K:BB across 20 innings.

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  • White Sox's Mason Adams: Dealing with right elbow injury

    Adams left Friday's spring game against the Reds due to right elbow discomfort.

    Adams left in the second inning of Friday's game after being visited on the mound by a trainer. The 25-year-old right-hander will undergo further testing Saturday, at which point the White Sox will have a better idea of the severity of the injury and will possibly be able to map a rehab schedule.

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  • White Sox's Mason Adams: Leaves appearance with injury

    Adam was lifted from Friday's spring outing versus the Reds with an apparent injury, Daryl Van Schouwen of the Chicago Sun-Times reports.

    Adams was visited by the trainer after issuing a walk with one out in the second inning and eventually walked off the field. The White Sox should have an update on the right-hander's condition shortly.

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NL West Standings

Team W-L L10 STRK
92-60 7-3 L1
83-69 9-1 W1
80-73 5-5 L2
64-89 5-5 W2
56-96 1-9 L1