Mike Zagurski is a former professional baseball player who played as a pitcher. He was born on January 27, 1983, in Omaha, Nebraska. Zagurski attended the University of Kansas, where he played college baseball for the Jayhawks. He was drafted by the Philadelphia Phillies in the 12th round of the 2005 Major League Baseball draft.

Zagurski made his Major League Baseball debut on September 1, 2007, for the Philadelphia Phillies. He pitched in 25 games for the Phillies in 2007, posting a 5.91 ERA in 21.1 innings pitched. He spent the majority of the 2008 season in the minor leagues but was called up to the Phillies in September and was a member of the team that won the World Series that year.

Zagurski was traded to the Arizona Diamondbacks in 2011 and pitched in 45 games for them that season, posting a 5.54 ERA in 37 innings pitched. He spent the 2012 season in the minor leagues before being traded to the New York Yankees in 2013. He pitched in 6 games for the Yankees that season, posting a 3.00 ERA in 6 innings pitched.

Zagurski spent the 2014 season in the minor leagues before signing with the Pittsburgh Pirates in 2015. He pitched in 45 games for the Pirates' Triple-A affiliate that season, posting a 2.54 ERA in 49 innings pitched. He signed with the Los Angeles Dodgers in 2016 and pitched in 45 games for their Triple-A affiliate, posting a 3.79 ERA in 40.1 innings pitched.

Zagurski signed with the Seattle Mariners in 2017 and pitched in 45 games for their Triple-A affiliate, posting a 3.54 ERA in 40.2 innings pitched. He signed with the Milwaukee Brewers in 2018 and pitched in 11 games for their Triple-A affiliate, posting a 3.00 ERA in 9 innings pitched.

Overall, Zagurski pitched in 89 Major League Baseball games, posting a 7.05 ERA in 60 innings pitched. He spent the majority of his career in the minor leagues, pitching in 491 games and posting a 3.45 ERA in 542 innings pitched. Zagurski retired from professional baseball in 2019.