Sean O'Leary

Sean O'Leary

Joined: May 25, 2024

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.

San Francisco Giants President of Baseball Operations Buster Posey.

San Francisco Giants News

San Francisco Giants first baseman Rafael Devers.

San Francisco Giants News

San Francisco Giants infielder Bryce Eldridge.

San Francisco Giants News

May 11, 2026; Los Angeles, California, USA; San Francisco Giants left fielder Heliot Ramos (17) doubles in two runs in the sixth inning against the Los Angeles Dodgers at Dodger Stadium.

San Francisco Giants News

May 6, 2026; San Francisco, California, USA; San Francisco Giants pitcher Keaton Winn (right) walks off the mound after being pulled during the seventh inning against the San Diego Padres at Oracle Park.

San Francisco Giants News

The Giants front office didn't make any impactful additions and it's beginning to show.

May 31, 2026; Denver, Colorado, USA; San Francisco Giants infielder Luis Arraez (1) warms up before the game against the Colorado Rockies at Coors Field.

San Francisco Giants News

Amid a rough first half, the San Francisco Giants appear on their way to selling once again.

San Francisco Giants News

The San Francisco Giants have called for reinforcements for the starting rotation.

Jul 23, 2025; Chicago, Illinois, USA; Kansas City Royals pitcher Seth Lugo (67) throws the ball against the Chicago Cubs during the first inning at Wrigley Field.

San Francisco Giants News

The San Francisco Giants might be looking to add at the deadline, but one more pitcher is off of the table.

Jul 8, 2023; Seattle, Washington, USA; National League Futures relief pitcher Carson Whisenhunt (18) of the San Francisco Giants pitches to the American League during the third inning of the All Star-Futures game at T-Mobile Park.

San Francisco Giants News

The San Francisco Giants pitching has been considered an asset all season, but now they need more than ever.

Mar 12, 2015; Phoenix, AZ, USA; San Francisco Giants first baseman Travis Ishikawa (45) bats against the Chicago White Sox at Camelback Ranch.

San Francisco Giants News

The San Francisco Giants are a storied franchise, and a new top 50 list might have some players that not many expected.

Jun 4, 2025; San Francisco, California, USA; Former San Francisco Giants player Buster Posey sits in the dugout before the game against the San Diego Padres at Oracle Park.

San Francisco Giants News

The San Francisco Giants had the 13th pick for the second year in a row and Buster Posey detailed the process.

Jul 6, 2025; West Sacramento, California, USA; San Francisco Giants third baseman Matt Chapman (26) gets in position during the seventh inning against the Athletics at Sutter Health Park.

San Francisco Giants News

During Sunday's game, San Francisco Giants' third baseman couldn't hear specific signs due to being mic'd up.

Jul 5, 2025; Philadelphia, Pennsylvania, USA; Philadelphia Phillies first base Bryce Harper (3) before the first pitch against the Cincinnati Reds at Citizens Bank Park.

San Francisco Giants News

One of the biggest free agent misses over the last decade, the reason why Bryce Harper turned the San Francisco Giants down has come to light.

San Francisco Giants News

Despite making a big splash already, the San Francisco Giants offense has struggled to score runs, and there may be a bat available at a position of need.

Jun 29, 2025; Chicago, Illinois, USA; San Francisco Giants starting pitcher Justin Verlander (35) delivers a pitch against the Chicago White Sox during the first inning at Rate Field.

San Francisco Giants News

The San Francisco Giants expressed their feelings after scuffling on a road trip against some of the leagues lesser teams.

Jun 10, 2025; Boston, Massachusetts, USA; Boston Red Sox odesignated hitter Rafael Devers (11) scores as utfielder Roman Anthony (19) hits a double to drive in two runs against the Tampa Bay Rays in the first inning at Fenway Park.

San Francisco Giants News

The San Francisco Giants made the move of the season so far, leaving most of the baseball world stunned.