Anderson (paternity) was activated ahead of his scheduled start in Game 2 of Tuesday's doubleheader against the Diamondbacks.
Anderson, who tentatively lines up for a two-start week, will end up getting exactly a week off in between starts. He has a 1.89 ERA, 1.08 WHIP, 18 strikeouts and two wins in 33.1 innings over his last five starts.