Roupp (7-13) took the loss against the Guardians on Thursday, allowing four runs (three earned) on five hits and four walks in 5.1 innings. He struck out two.
Gasper served as the designated hitter and went 1-for-3 with a three-run home run in Wednesday's 7-6 extra-inning loss to Arizona.
The Giants placed Winn on the 15-day injured list Thursday with right elbow neuritis.
Adames went 3-for-4 in Wednesday's 1-0 win over Cleveland.
The Giants recalled Sanmartin from Triple-A Sacramento on Thursday.
Jones (hip) entered Wednesday's game as a pinch hitter and finished as the designated hitter. He walked in his lone plate appearance in a 7-6 extra-inning loss to the Diamondbacks.
Gasper served as the designated hitter and went 1-for-3 with a home run and three RBI in Wednedsay's 7-6 extra-inning loss to Arizona.
Tolle did not factor into the decision Wednesday against the Diamondbacks, allowing three runs on six hits and two walks over five innings. He struck out six.
Smith earned the save in Wednesday's 1-0 win over the Guardians, allowing one hit and no walks while striking out five over two scoreless innings.
Mendez was reinstated from High-A Eugene's 7-day injured list Tuesday and assigned to Double-A Richmond.
