Casey Mize traded to Padres: San Diego continues to upgrade rotation with eyes on postseason

The Padres already acquired Robbie Ray earlier in the day Aug 3, 2026 at 6:05 pm ET • 1 min read Getty Images The Padres have acquired right-handed starting pitcher Casey Mize from the Detroit Tigers, the New York Post reports. Mize had been slated to start for the Tigers on Friday, but in a move that presaged a trade, the club scratched him from that scheduled outing and went with a bullpen game instead. Mize, 29, is a pending free agent who's enjoying his finest big-league season to date, at least on a rate basis. Over his 16 starts in 2026, he's put up a career-best ERA+ of 159, and he's also notched career-best marks in FIP, K/BB ratio, and strikeout rate. This season, Mize has featured increased use of his slider. For his career, the former No. 1 overall pick out of Auburn has a 107 E