14 MLB Stars Who Went From Heroes to Headaches

Baseball has a long history of building up its stars, only to watch them unravel in spectacular fashion. Some players went from beloved to bothersome faster than a 98 mph fastball, whether it was ego, drama, or simply wearing out their welcome.

These guys started as fan favorites, team leaders, or even league darlings. But over time, something shifted, and now they’re more likely to spark eye-rolls than standing ovations.

14. Yasiel Puig

Cincinnati Reds shortstop Jose Iglesias (4) runs for first as he hits a solo home run to center field in the seventh inning of the MLB National League game between the Cincinnati Reds and the Chicago Cubs at Great American Ball Park in downtown Cincinnati on Wednesday, May 15, 2019. The Reds won 6-5 on a walk-off single by Yasiel Puig in the bottom of the 10th inning. Chicago Cubs At Cincinnati Reds
Sam Greene, Cincinnati Enquirer via Imagn Content Services, LLC

Puig burst onto the scene with electric energy and unreal potential, quickly becoming must-watch TV. But behind the highlight-reel plays came locker room drama and inconsistency that wore out his welcome.

13. Aroldis Chapman

Jun 8, 2025; Bronx, New York, USA; Boston Red Sox pitcher Aroldis Chapman (44) pitches against the New York Yankees during the ninth inning at Yankee Stadium. Mandatory Credit: John Jones-Imagn Images
John Jones-Imagn Images

With his triple-digit fastball, Chapman was once the most feared closer in baseball. Off-field controversies and late-career struggles made him a lightning rod rather than a lockdown arm.

12. Manny Ramirez

July 18, 2008; Anaheim CA, USA; Boston Red Sox left fielder Manny Ramirez (24) hits a single in the second inning against the Los Angeles Angels at Angel Stadium of Anaheim. Mandatory Credit: Gary A. Vasquez-Imagn Images
Gary A. Vasquez-Imagn Images

Manny being Manny was fun—until it wasn’t. His antics, suspensions, and disappearing act turned a lovable slugger into a frustrating distraction.

11. Trevor Bauer

Jun 28, 2021; Los Angeles, California, USA; Los Angeles Dodgers starting pitcher Trevor Bauer (27) pitches against the San Francisco Giants in the first inning at Dodger Stadium. Mandatory Credit: Richard Mackson-Imagn Images
Richard Mackson-Imagn Images

Early on, Bauer was praised for his analytical approach and dominant stuff. Then came the social media chaos and legal issues that completely overshadowed his talent.

10. Jonathan Papelbon

Washington Nationals pitcher Jonathan Papelbon against the Arizona Diamondbacks at Chase Field
Mark J. Rebilas / Imagn Images

Papelbon was a dominant closer with championship swagger. But his fiery personality turned toxic fast, from clubhouse scuffles to bizarre meltdowns.

9. Milton Bradley

Sept 4, 2007; Phoenix, AZ, USA; San Diego Padres left fielder (15) Milton Bradley argues with home plate umpire Phil Cuzzi in the fifth inning against the Arizona Diamondbacks at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images
Mark J. Rebilas-Imagn Images

Bradley had undeniable skills and could mash when healthy. Unfortunately, his short temper and frequent clashes made him more trouble than he was worth.

8. Carlos Zambrano

Aug. 22, 2012; Phoenix, AZ, USA: Miami Marlins pitcher Carlos Zambrano pitches in the eighth inning against the Arizona Diamondbacks at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images
Mark J. Rebilas-Imagn Images

Big Z had ace-level stuff and could even swing the bat. But he became infamous for on-field tantrums and fiery blowups that overshadowed his ability.

7. Barry Bonds

August 2, 2007; Los Angeles, CA, USA; San Francisco Giants leftfielder Barry Bonds (25) hits a single in the second inning against the Los Angeles Dodgers at Dodger Stadium. Mandatory Credit: Gary A. Vasquez-Imagn Images
Gary A. Vasquez-Imagn Images

There was a time when Bonds was simply a five-tool phenom, lighting up the Bay. Then came the steroid cloud and icy media relations that turned cheers into jeers.

6. Jose Canseco

May 23, 2013; Fort Worth, TX, USA; Fort Worth Cats designated hitter Jose Canseco (33) reacts to striking out in the bottom of the first inning of the game against the Edinburg Roadrunners at LaGrave Field in Fort Worth. Mandatory Credit: Tim Heitman-Imagn Images
Tim Heitman-Imagn Images

Canseco helped make baseball cool again with his power and flair. But he quickly morphed into a walking tabloid, dragging scandals with him wherever he went.

5. Alex Rodriguez

Yankee third baseman Alex Rodriguez during batting practice for the American League at Yankee Stadium in the Bronx July 14, 2008.
Frank Becerra Jr / USA TODAY NETWORK

A-Rod was on track to be the golden boy of baseball. Then came the ego, the feuds, and the PED suspensions that derailed his legacy.

4. Josh Donaldson

Apr 13, 2017; Toronto, Ontario, CAN; Toronto Blue Jays designated hitter Josh Donaldson (20) loses his bat on a ground ball hit to Baltimore Orioles third baseman Manny Machado (not pictured) during the fourth inning at Rogers Centre. Mandatory Credit: John E. Sokolowski-Imagn Images
John E. Sokolowski-Imagn Images

Donaldson once brought energy and MVP-level production to every clubhouse he entered. Over time, that fire became friction, and teammates and fans started to tune him out.

3. Roger Clemens

Jun 09, 2007; Bronx, NY, USA; New York Yankees pitcher (22) Roger Clemens pitches in the first inning against the Pittsburg Pirates at Yankee Stadium. Mandatory Credit: Mark J. Rebilas-Imagn Images Copyright © 2007 Mark J. Rebilas
Mark J. Rebilas-Imagn Images

Clemens was a bulldog on the mound and one of the best pitchers ever. But his late-career controversies and links to performance enhancers left a messy trail behind his greatness.

2. Robinson Canó

Jul 13, 2022; Atlanta, Georgia, USA; Atlanta Braves second baseman Robinson Cano (22) hits a single against the New York Mets in the seventh inning at Truist Park. Mandatory Credit: Brett Davis-Imagn Images
Brett Davis-Imagn Images

Canó played the game with a smoothness that fans adored. But his multiple suspensions and declining effort made it hard to remember the player he once was.

Read More: Ranking the 15 Most Exciting MLB Players in the ’90s

1. Curt Schilling

Oct 25, 2007; Boston, MA, USA; Boston Red Sox starting pitcher (38) Curt Schilling delivers a pitch against the Colorado Rockies during game 2 of the 2007 World Series at Fenway Park. Mandatory Credit: Tom Szczerbowski-Imagn Images
Tom Szczerbowski-Imagn Images

Schilling was a postseason hero and one of the gutsiest pitchers of his era. But his post-career controversies have completely clouded his baseball legacy.

Read More: 17 MLB Careers That Imploded After One Bad Decision

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