Luke Gregerson is a former professional baseball player who spent 11 seasons in the Major Leagues as a relief pitcher. He was born on May 14, 1984, in Park Ridge, Illinois, and attended St. Ignatius College Prep in Chicago before playing college baseball at Saint Xavier University.
Gregerson was drafted by the St. Louis Cardinals in the 28th round of the 2006 MLB Draft and made his Major League debut with the team in 2009. He spent two seasons with the Cardinals before being traded to the San Diego Padres in 2010.
With the Padres, Gregerson established himself as one of the top relief pitchers in the National League. He posted a 2.88 ERA and 1.08 WHIP over five seasons with the team, earning a reputation as a reliable setup man and occasional closer.
In 2014, Gregerson signed with the Oakland Athletics as a free agent. He spent one season with the team, posting a 2.12 ERA and 0.94 WHIP in 72 appearances.
After his stint with the Athletics, Gregerson signed with the Houston Astros in 2015. He played a key role in the team's bullpen during their World Series championship run in 2017, posting a 4-3 record with a 4.57 ERA and 70 strikeouts in 65 innings pitched.
Gregerson's final season in the Major Leagues came in 2019, when he signed with the St. Louis Cardinals for a second stint with the team. He struggled with injuries and posted a 7.36 ERA in 22 appearances before being released in August.
Overall, Gregerson had a successful career as a relief pitcher in the Major Leagues. He finished with a 35-36 record, 3.15 ERA, and 607 strikeouts in 599 innings pitched. He also recorded 66 saves and was named an All-Star in 2014.
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