Mike Dunn is a former professional baseball player who played as a relief pitcher in Major League Baseball (MLB) for several teams. He was born on May 23, 1985, in Las Vegas, Nevada, and attended Cimarron-Memorial High School. Dunn was drafted by the New York Yankees in the 33rd round of the 2004 MLB draft but did not sign with the team. Instead, he attended the College of Southern Nevada and played college baseball for two years.
In 2005, Dunn was drafted by the Houston Astros in the 14th round of the MLB draft and signed with the team. He spent four seasons in the Astros' minor league system before being traded to the Atlanta Braves in 2009. Dunn made his MLB debut with the Braves on September 4, 2009, and pitched in six games for the team that season.
Dunn spent the next five seasons with the Braves, becoming a reliable left-handed reliever out of the bullpen. He appeared in 267 games for the team, posting a 2.74 ERA and striking out 253 batters in 236 innings pitched. Dunn was traded to the Miami Marlins in December 2014 and spent the next three seasons with the team.
During his time with the Marlins, Dunn continued to be a solid reliever, appearing in 180 games and posting a 3.54 ERA. He struck out 174 batters in 137 innings pitched and recorded 11 saves. Dunn became a free agent after the 2017 season and signed a contract with the Colorado Rockies.
Dunn struggled in his lone season with the Rockies, posting a 9.00 ERA in 25 appearances. He struck out 24 batters in 20 innings pitched but also gave up 23 hits and 10 walks. Dunn became a free agent after the 2018 season and signed a minor league contract with the St. Louis Cardinals in February 2019.
Dunn did not make the Cardinals' Opening Day roster and was released by the team in April 2019. He did not sign with another team and announced his retirement from baseball in May 2019.
Overall, Dunn had a successful career as a left-handed reliever in MLB, appearing in 417 games and posting a 4.08 ERA. He struck out 404 batters in 358 innings pitched and recorded 27 saves. Dunn was known for his ability to get left-handed batters out, holding them to a .214 batting average and a .303 slugging percentage over his career.
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