April 28 (UPI) -- The Philadelphia Phillies fired manager Rob Thomson after a 9-19 start to their 2026 season, the National League East franchise announced Tuesday.
Thomson, who led the Phillies to a World Series appearance in his first season, had a 355-270 record from 2022 through his final game with the franchise, Sunday's 6-2 loss to the Atlanta Braves. Philadelphia lost 11 of its last 12 games under Thomson.
The Phillies named bench coach Don Mattingly as their interim manager for the remainder of the 2026 campaign.
Mattingly had played 14 seasons for the New York Yankees, compiling a .307 lifetime batting average between 1982 and 1995. He previously managed the Los Angeles Dodgers and Miami Marlins.
Thomson, who replaced fired manager Joe Girardi after 51 games in 2022, led the Phillies to the playoffs in each of his first four seasons. They advanced to the National League Championship Series in the first two of those postseason runs. The Phillies lost in the National League Division Series in 2024 and 2025.
