BIOGRAPHY
Robert Stephenson was born February 24, 1993, in Martinez, California. He is a pitcher in the MLB.
He made his MLB debut on April 7, 2016. Stephenson began pitching when he was nine years old. He attended Alhambra High School in Martinez, California, which he graduated from with a 4.2 grade point average. Stephenson's senior season for the high school's baseball team began with two consecutive no-hitters.
He finished the season with an 8–2 win–loss record and 1.19 earned run average (ERA) in 76 2⁄3 innings pitched. He recorded 142 strikeouts while walking 23 and allowing 29 hits. Alhambra reached the North Coast Section Division III playoffs' second round.
Stephenson was named the Gatorade California Baseball Player of the Year. He was rated by Baseball America as the 25th-best prospect in that year's draft, and the 12th best right-handed pitching prospect in the draft. He was invited to participate in the 2010 Aflac All-America Game. Stephenson was named the starting pitcher for the West Team and pitched two scoreless innings. Stephenson committed to attend the University of Washington to play college baseball for the Washington Huskies baseball team.
On November 25, 2020, Stephenson and Jameson Hannah were traded to the Colorado Rockies in exchange for Jeff Hoffman and Case Williams. In his first season in Colorado, Stephenson posted a 3.13 ERA in 49 games. He struck out 52 batters in 46 innings.
On June 2, 2023, the Pirates traded Stephenson to the Tampa Bay Rays in exchange for Alika Williams.
Stephenson signed a 3-year deal with the Los Angeles Angels prior to the 2024 season.
