The move, announced before Friday night’s game at Detroit, was retroactive to Tuesday.
Keuchel, Friday’s starter, had been out with neck discomfort. He hadn’t pitched since June 2. Keuchel entered Friday with a 9-0 record and a 1.67 ERA.
Manager A.J. Hinch says right-hander Brad Peacock (8-1) will be in the bullpen for the weekend, at least. Peacock has 23 appearances and 11 starts this year. Springer is hitting .310 with a team-high 27 home runs for the AL West-leading Astros.