Sean O'Leary

Sean O'Leary

Joined: Jul 31, 2025

Sean O'Leary is an alumnus of the University of Nevada, Reno, where he majored in journalism. Before On SI, he covered baseball at websites such as Pitcher List and FanSided. Sean also covered the Triple-A affiliate of the Arizona Diamondbacks, the Reno Aces, for their official website. Watching minor league baseball over the years made him fascinated by covering prospects.

May 16, 2026; Denver, Colorado, USA; Colorado Rockies pitcher Tomoyuki Sugano (11) pitches during the first inning against the Arizona Diamondbacks at Coors Field.

Apr 7, 2026; Denver, Colorado, USA; Colorado Rockies starting pitcher Kyle Freeland (21) delivers a pitch in the third inning against the Houston Astros at Coors Field.

Apr 19, 2026; Denver, Colorado, USA; Colorado Rockies relief pitcher Victor Vodnik (38) reacts after the final out against the Los Angeles Dodgers at Coors Field.

Apr 8, 2026; Denver, Colorado, USA; Colorado Rockies catcher Hunter Goodman (15) runs off his solo home run in the fourth inning against the Houston Astros at Coors Field.

Nov 9, 2025; Mesa, AZ, USA; Colorado Rockies infielder Charlie Condon during the Arizona Fall League Fall Stars Game at Sloan Park.

News

Coming off a disastrous season, what will 2026 hold for Colorado's top prospects?

Sep 21, 2025; Denver, Colorado, USA; General wide angle view of Coors Field during the game between the Los Angeles Angels against the Colorado Rockies.

News

In a new era of Colorado Rockies baseball, the new front office is aiming to improve player development.

Jun 17, 2025; Washington, District of Columbia, USA; Colorado Rockies first baseman Michael Toglia (4) gestures to his bullpen while rounding the bases after hitting a two run home run against the Washington Nationals during the fourth inning at Nationals Park.

News

Under a new regime, the Rockies begin to move forward as they attempt to rebuild.

Apr 9, 2025; Denver, Colorado, USA; Colorado Rockies designated hitter Kris Bryant (23) looks on from the dugout before the game against the Milwaukee Brewers at Coors Field.

News

The Colorado Rockies hit rock bottom in their rebuild in 2025, but they are still playing the oft-injured veteran.

Sep 26, 2025; San Francisco, California, USA; Colorado Rockies starting pitcher German Marquez (48) walks to the dugout after the bottom of the third inning against the San Francisco Giants at Oracle Park.

News

The Rockies pitching staff was the worst in baseball, and there were multiple pitchers towards the bottom of the league in all statistics.

Gamecocks shortstop Braylen Wimmer (3) stumbles on his way to second in the top of the fifth inning against Florida in Game 1 of NCAA Super Regionals, Friday, June 9, 2023, at Condron Family Ballpark in Gainesville, Florida.Florida beat the Gamecocks 5-4.

News

The Rockies are sending eight players to the AFL, but one of the lesser known prospects could have a breakout while there.

Apr 20, 2015; Denver, CO, USA; A general view of gloves and hats in the Colorado Rockies dugout during the fifth inning against the San Diego Padres at Coors Field.

News

As the Colorado Rockies head into the offseason, some are already looking ahead to the 2026 MLB Draft.

Aug 4, 2017; Denver, CO, USA; General view of the hat and glove of Colorado Rockies shortstop Pat Valaika (4) (not pictured) in the seventh inning against the Philadelphia Phillies at Coors Field.

News

The Rockies had one of the best pitching prospects in baseball.

Sep 13, 2025; San Diego, California, USA; Colorado Rockies starting pitcher Antonio Senzatela (49) throws a pitch during the fourth inning against the San Diego Padres at Petco Park.

One of the longest tenured Rockies will no longer be a starter.

Sep 28, 2025; San Francisco, California, USA; Colorado Rockies starting pitcher McCade Brown (51) reacts after being taken out of the game against the San Francisco Giants in the fourth inning at Oracle Park.

A nightmare season is finally over for the Colorado Rockies.

Apr 20, 2025; Denver, Colorado, USA; Colorado Rockies fans during the first inning against the Washington Nationals at Coors Field.

The Rockies haven't been able to quickly rebuild, so the fans gave their ideas on how to fix the franchise.

Sep 26, 2025; San Francisco, California, USA; Colorado Rockies relief pitcher Jaden Hill (0) looks over his shoulder during the fifth inning at Oracle Park.

In a season those in Colorado want to forget, Hill has proven to be a part of the future bullpen.