Sean Gallagher (baseball)
American baseball player
Sean Patrick Gallagher (born December 30, 1985) is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the Chicago Cubs, Oakland Athletics, San Diego Padres, and Pittsburgh Pirates.
Professional career
Chicago Cubs
Gallagher was drafted by the Chicago Cubs in the 12th round of the 2004 Major League Baseball draft. In his first pro season, he went 1–2 with a 3.12 ERA over 10 games in with the Arizona League Cubs. Gallagher allowed 19 runs, 12 earned, on 38 hits in 342⁄3 innings, striking out 44 and walking 11.
In 2005 Gallagher was selected as the Cubs minor league pitcher of the year. He played for the Peoria Chiefs and made the Midwest League All-Star Game and was voted by Baseball America as having the best breaking ball in the Midwest League. He went 14–5 with a 2.71 ERA in 26 games for Peoria, allowing 53 runs, 44 earned, on 107 hits over 146 innings. Gallagher struck out 139 and walked 55. He ranked first in the league in wins with 14, third in ERA with a 2.71 clip and fourth in strikeouts with 139.
The public source identifies “Sean Gallagher (baseball)” as american baseball player. This brief keeps that definition visible, then builds a research path around Sean, Gallagher and baseball.
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Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Feb 25, 2026. The linked authority identifier is Q732324. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1985, 2004 and 2005.
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This entry incorporates text from “Sean Gallagher (baseball)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.