Andrew Gregory Chafin (born June 17, 1990), nicknamed "Big Country" and "the Sheriff",[1] is an American professional baseball pitcher who is a free agent.

He has previously played in Major League Baseball (MLB) for the Arizona Diamondbacks, Chicago Cubs, Oakland Athletics, Detroit Tigers, Milwaukee Brewers, and Texas Rangers.

[9] He made his professional debut for the Arizona League Diamondbacks, pitching in one game, recording two strikeouts over one inning.

Chafin made his Major League debut on August 13, 2014, against the Cleveland Indians at Progressive Field, pitching five innings allowing three hits, two walks, and three strikeouts, earning a no-decision.

[11] In his second start and first major league at-bat on September 17, 2014, for the Arizona Diamondbacks, he hit a run batted in single.

On February 2, 2021, Chafin re-signed with the Cubs on a one-year, $2.25 million contract that included a mutual option for 2022.

[14] On June 24, 2021, Chafin pitched a combined no-hitter against the Los Angeles Dodgers along with Zach Davies, Ryan Tepera, and Craig Kimbrel.

[16] On July 27, 2021, the Cubs traded Chafin to the Oakland Athletics in exchange for Greg Deichmann and Daniel Palencia.

On December 12, 2023, Chafin signed with the Tigers on a one-year, $4.25 million contract that included a club option for 2025.

On July 30, 2024, Chafin was traded to the Texas Rangers in exchange for minor-leaguers Chase Lee and Joseph Montalvo.