Houck (0-1) took the loss against the Cubs on Sunday, allowing three runs on four hits and no walks with one strikeout over three innings.
Baz will not start in Sunday's regular-season finale against the Yankees due to inclement weather, and the game will not be rescheduled.
The Red Sox transferred White (foot) to the 60-day injured list Sunday.
The Red Sox placed Guerrero on the 15-day injured list Sunday, retroactive to Sept. 24, with a right shoulder strain.
The Red Sox placed Gasper on the 10-day injured list Sunday, retroactive to Sept. 26, with a right biceps strain.
The Red Sox reinstated Houck (elbow) from the 60-day injured list Sunday. He will start Boston's regular-season finale against the Cubs.
The Red Sox recalled Olds from Triple-A Worcester on Sunday.
Contreras (hand) will serve as the designated hitter and bat third in Sunday's regular-season finale against the Cubs, Mac Cerullo of the Boston Herald reports.
Alonso went 4-for-8 with two home runs, two walks, three RBI and four runs scored across both games of Friday's doubleheader against the Yankees.
Young (9-6) took the loss against the Yankees in Game 2 of Friday's doubleheader, allowing one run on two hits and three walks with six strikeouts over five innings.
