Phillies fire Canadian manager Rob Thomson after losing 11 of 12 games, name Don Mattingly interim skipper

Philadelphia Phillies manager Rob Thomson (49) stands in the dugout before a baseball game against the Chicago Cubs, Wednesday, April 22, 2026, in Chicago. (AP Photo/Erin Hooley)

PHILADELPHIA — Manager Rob Thomson, who led the Phillies to four straight playoff appearances, including the 2022 World Series, was fired on Tuesday after Philadelphia lost 11 of 12 games and began the day tied for last place in the majors.

Bench coach Don Mattingly was named interim manager through the end of the season and third-base coach Dusty Wathan was promoted to bench coach. Mattingly joined the Phillies in the off-season after three years as the bench coach and offensive co-ordinator of the Toronto Blue Jays.

Thomson, who was born in Sarnia, Ont., and grew up in nearby Corunna, went 355-270 and had led a Phillies team loaded with high-priced talent that included Bryce Harper, Kyle Schwarber and Trea Turner to consecutive division titles. The 62-year-old Thomson, a baseball lifer finally promoted to his first managerial stint in 2022, signed a contract extension in the offseason running through the 2027 season and was again expected to lead the Phillies into World Series contention.

Instead, the Phillies and their $300-plus million payroll have been one of the biggest flops in the baseball and had lost 10 straight games before ace Zack Wheeler led them to a win against Atlanta on Saturday. The Phillies lost to Atlanta on Sunday and fell to 9-19 overall, tied with the divisional rival New York Mets.

Thomson is the second manager fired in baseball this season after the Red Sox fired Alex Cora and five coaches on Saturday.

Dave Dombrowski, the Phillies’ president of baseball operations, gave Thomson a vote of confidence last week while they were in the midst of their losing streak. Dombrowski stood behind Thomson’s work and said he’s been a good manager since replacing Joe Girardi in 2022.

Thomson led Philadelphia to the 2022 World Series after taking over for Girardi, losing to the Houston Astros in six games. Since then, the club has regressed in the postseason. It lost in the NL Championship Series in 2023 in seven games, and the NL Division Series in 2024 and ’25 in four games.

Nicknamed Topper, Thomson has been with the club since the 2018 season, when he was first hired as bench coach under former manager Gabe Kapler.

He was with the New York Yankees from 1990-2017, including 10 seasons on the major league coaching staff as bench coach (2008, 2015-17) and third base coach (2009-14). He earned his nickname in the Yankees organization for always being on top of details.

Thomson became only the fourth manager in big league history to reach the postseason in each of the first four full seasons to begin a managing career, joining Dave Roberts, Aaron Boone and Mike Matheny. Thomson became only the third manager in Phillies history to win consecutive division titles, joining Charlie Manuel and Danny Ozark.

The Phillies have been awful in what was supposed to be a celebratory season with the franchise set to host the All-Star Game and its surrounding festivities. They’ve collapsed instead in every aspect of the game, with regulars Alec Bohm and Schwarber both hitting under .200, while starters Jesús Luzardo, Aaron Nola and Andrew Painter all posting 5.00-plus ERAs.

The Phillies just released high-priced bust Taijuan Walker in the final year of a four-year, $72 million contract and let go after outfielder Nick Castellanos was released by the Phillies in February as he entered the final year of a five-year, $100 million deal.

The Phillies haven’t won the World Series since 2008 and last made the playoffs in 2011 until Thomson led them a surprise run to the World Series in 2022 dubbed Red October that rejuvenated the fanbase and made 90-plus win seasons the norm.

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Dan Gelston, The Associated Press