David Thomas Bush (born November 9, 1979) is an American professional baseball coach and former pitcher who is the current assistant pitching coach for the Texas Rangers. He played in Major League Baseball (MLB) for the Toronto Blue Jays, Milwaukee Brewers, and Texas Rangers, as well as in the KBO League for the SK Wyverns.
From 2020 to 2023, Bush was the pitching coach for the Boston Red Sox.
