Don Mattingly and son Preston make history with Phillies management roles

Don Mattingly became interim manager of the Philadelphia Phillies in 2026, making history as he shares management duties with his son, Preston Mattingly, the team's general manager. Don, an All-Star first baseman and previous manager of multiple MLB teams, stepped into the role following the departure of Rob Thomson. Preston Mattingly, a former player and executive, has quickly ascended in the organization since being hired as director of player development in 2021. His promotion to general manager came in 2024. This father-son duo marks the first instance of a father holding a managerial role while his son serves as general manager in Major League Baseball.

• 6:37 PMYahoo Sports — Don Mattingly family tree: Meet MLB GM son Preston, wife Lori, more on Phillies manager's roots