Drey Jameson

Drey Jameson (born August 17, 1997, in Greenfield, Indiana) is a right-handed pitcher whose primary position is relief pitcher (RP). A Greenfield Central High School product, he played college baseball at Ball State before being selected by the Arizona Diamondbacks with the 34th overall pick in the 2019 MLB Draft (first round). Jameson’s MLB debut date was September 15, 2022. In 2022, he made four starts and logged 24.1 innings with a 1.479 ERA, 1.1096 WHIP, and 8.874 K/9, while allowing 2 home runs (0.738 HR/9). His batted-ball profile that year included a 3.083 GB/FB ratio. In 2023, he worked in both roles, appearing in 15 games (3 starts) and throwing 40.2 innings with a 3.32 ERA and 8.19 K/9. That season included one save, with opponents batting .260 against him and an overall WHIP of 1.4262. In 2026 regular-season relief work (7 games, 11.1 innings), his Drey Jameson stats include a 4.765 ERA, 1.50 WHIP, and a 31.4% whiff rate across 173 pitches. His pitch mix has featured a fastball up to 98.7 mph, with a slider generating a 42.9% whiff rate.