Jeremy Hellickson is a former professional baseball player who played as a pitcher in Major League Baseball (MLB) for almost a decade. He was born on April 8, 1987, in Des Moines, Iowa, and attended Hoover High School in Clive, Iowa.

Hellickson was drafted by the Tampa Bay Rays in the fourth round of the 2005 MLB draft. He made his MLB debut on August 2, 2010, against the Minnesota Twins. In his rookie season, he posted a 4-0 record with a 3.47 ERA in 10 starts and was named the American League Rookie of the Month for September.

In 2011, Hellickson had a breakout season, finishing with a 13-10 record and a 2.95 ERA. He was named to the American League All-Star team and won the American League Rookie of the Year award.

Hellickson continued to pitch for the Rays until 2014, when he was traded to the Arizona Diamondbacks. He spent one season with the Diamondbacks before being traded to the Philadelphia Phillies in 2015.

In 2016, Hellickson had a solid season with the Phillies, finishing with a 12-10 record and a 3.71 ERA. He was named the Phillies' Pitcher of the Year and was a finalist for the National League Gold Glove award.

Hellickson was traded to the Baltimore Orioles in 2017, where he struggled with injuries and inconsistency. He finished the season with an 8-11 record and a 5.43 ERA.

In 2018, Hellickson signed a minor league contract with the Washington Nationals. He made the team's starting rotation and had a successful season, finishing with a 5-3 record and a 3.45 ERA in 19 starts.

Hellickson became a free agent after the 2018 season and signed a one-year contract with the Nationals for the 2019 season. He struggled with injuries and inconsistency once again, finishing the season with a 2-4 record and a 6.23 ERA in nine starts.

After the 2019 season, Hellickson became a free agent and announced his retirement from baseball in January 2020. Over his career, he had a 76-75 record with a 4.13 ERA in 218 games (214 starts). He was known for his control and ability to limit walks, as well as his changeup and curveball pitches.