The 2025 season didn't go as well as planned for many MLB players. These 30 players stand out as the biggest disappointments from their respective teams.
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Nearly the entire Diamondbacks starting rotation disappointed this year. Pfaadt has continued to have long ball issues, and a declining strikeout rate has also pushed his ERA well above 5.00. Big offseason signing Corbin Burnes was lost for the year due to an elbow injury, while veterans Zac Gallen and Eduardo Rodriguez also disappointed.
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After signing a two-year contract worth $45 million, Severino has been worse than league-average this season. The former Yankees ace was 6-11 with a 4.65 ERA through 25 starts, struggling in the Athletics' hitter-friendly home ballpark.
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Seemingly if something could go wrong for the Braves in 2025, it did. Their list of disappointing performances is long, but none have been worse than Albies. The long-time Braves second baseman has been a sub-par offensive performer through early September, with a sub-.700 OPS and .311 OBP.
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Injuries have plagued the Orioles this season, and Rutschman is included. His season might have ended prematurely after hitting only .227-9-29 in 85 games played. After struggling late last season, Baltimore is trying to find an answer for a player who looked like the face of the franchise a few years ago.
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While Buehler struggled last season with the Dodgers in his return from elbow surgery, the Red Sox saw the upside and signed him to a lucrative one-year deal. That gamble didn't pay off, as Buehler posted a 5.45 ERA in 112.1 innings before getting released in late August.
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Hodge entered the season with a share of the Cubs closer job after impressing in 2024. Unfortunately, poor command doomed him in his follow-up effort, with an ERA above 6.00 through 29 appearances and struggles at Triple-A.
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Robert had another disappointing year for the White Sox, hitting only .223-14-53 with 33 steals before a season-ending injury in late August. Curiously, the White Sox opted to hold the former superstar at the trade deadline instead of moving him, given a $20 million team option and a $2 buyout for the following season.
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McLain appeared healthy in Spring Training after missing all of 2024 due to multiple injuries. Staying on the field hasn't been a problem, but McLain has struggled at the plate, hitting only .229-13-45 with a .658 through 126 games played. He's likely bought himself some time after a great rookie debut in 2023, but the clock is ticking.
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Bibee emerged as an ace for Cleveland last season, but saw major regression in 2025. His ERA has inched toward 5.00 through 27 starts, as he's suddenly struggled to miss bats and keep the ball in the park.
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The 2025 season has been historically bad for the Rockies, and Toglia's year is one of many that have been forgettable. After hitting 25 home runs in only 116 games last season, Toglia hit only .194-11-32 through 85 games played and was demoted to Triple-A for part of the year.
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The Tigers brought back Flaherty on a two-year deal after trading him to the Dodgers last season, but the investment hasn't paid off. While he's missed bats, Flaherty has posted a 4.85 ERA through 28 starts with a league-high 13 losses.
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With the losses of Kyle Tucker and Alex Bregman, the Astros were counting on Alvarez to produce this season. However, he struggled early in the year before suffering a hand injury, and will finish with numbers well below his career standards.
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Ragans emerged as a clear ace for the Royals last season, though injuries hindered him for most of 2025. When he did pitch, the lefty posted a 5.18 ERA in 10 starts before September, though certainly deserved better results with a 2.46 FIP and 14.1 K/9.
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O'Hoppe delivered power this season with 19 home runs through 409 plate appearances, but his underlying performance was a major disappointment. He showed almost no plate discipline, producing a .260 on-base percentage, and also didn't grade well defensively.
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The Dodgers are in the thick of the playoff race in spite of multiple major disappointments on their roster. There wasn't a bigger disappointment than the nosedive that Conforto took after signing a one-year deal in the offseason. He hit just .290-10-29 through 427 plate appearances despite a $17 million contract.
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Pitchers recover from arm injuries at different rates. While most of Alcantara's stuff was back this season after returning from elbow surgery, his command wasn't quite right. He's made strong progress in the second half after digging himself a hole early in the year, and still has a 5.66 ERA through 27 starts.
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Ortiz had huge shoes to fill with the departure of Willy Adames, but he's struggled after a strong rookie season. He hit only .228-7-43 with a .600 OPS through 448 plate appearances as of early September.
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Injuries have plagued Lewis again this season, as he's failed to shed the injury-prone label. The former first overall draft choice has also failed to hit when he's played, hitting only .231-10-40 through 85 games played in early September.
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Vientos had a breakout 2024 season with 27 home runs, but an early-season slump made matching those numbers difficult. While his power has picked up in the second half, Vientos has only 16 home runs and a .739 OPS as of early September.
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Williams was acquired in the offseason from Milwaukee to serve as New York's closer, but he lost the job early in the year. The Yankees eventually acquired David Bednar at the trade deadline, pushing Williams to setup duty with an ERA above 5.00.
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Nola has been the model of consistency during his career, so his 2025 season has been especially disappointing. He missed significant time with injury and has a 6.78 ERA in 13 starts as of early September.
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The first overall draft choice in the 2021 draft, Davis' early-career performance has made him appear like a bust. He served as the Pirates' backup catcher for much of this season, hitting just .168-6-20 through his first 244 plate appearances.
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Merrill had a spectacular rookie season in 2024, being named an All-Star and winning a Silver Slugger. Multiple injuries plagued Merrill in his sophomore campaign, as he hit only .253-9-51 in 397 plate appearances through early September.
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Fitzgerald began the season as San Francisco's starting second baseman after a breakout 2024 season. He couldn't match his results this year and spent significant time on the farm at Triple-A Sacramento. Fitzgerald has hit only .217-4-14 with nine steals in 72 games through early September.
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Seattle's hitting and pitching traded places compared to last season. While the offense was on full tilt, led by Cal Raleigh, the pitching has been inconsistent. Kirby's season has been especially down, starting the year late due to a shoulder injury and showing slight aftereffects since his return. He has a 4.47 ERA through 19 starts, and his control has been off.
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Acquired at the trade deadline last season for Tommy Edman, Fedde finished his return from Korea strong with a 3.30 ERA in 31 starts. The team was counting on him to be one of their top starters, but he was traded at the deadline for minimal compensation after posting a 5.22 ERA in 20 starts with a horrific 1.30 K/BB ratio. He's hardly fared any better down the stretch with the Braves and Brewers.
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Baz looked strong in his return from arm injuries last season, posting a 3.06 ERA in 14 starts. Success hasn't come as easily this season, as he's struggled to keep the ball in Tampa Bay's temporary hitter-friendly home ballpark. He's allowed 26 home runs in 150 innings, resulting in a 4.98 ERA.
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The Rangers have witnessed multiple disappointing offensive seasons in 2025, led by Pederson. After signing a two-year, $37 million contract in the offseason, Pederson has hit only .178-8-21 in 78 games, also missing significant time due to injury. Pederson did show his old form in August, hitting .286-6-15 with a .942 OPS.
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Santander signed a five-year deal with Toronto in the offseason after hitting 44 home runs for the Orioles last year. Unfortunately, he's missed more than half of 2025 due to injury and struggled when he did play, hitting only .179-6-18. The Jays certainly hope the rest of the contract is better.
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The expectations were massive for Crews after being selected second overall in the 2023 draft. The former LSU star showed some struggles during his debut last season, and he's been even worse this year, along with some injuries. Through early September, he was hitting just .200-7-19 in 244 plate appearances.