Marquez (4-3) struck out nine but was tagged for six runs on eight hits and a walk over five innings in an 8-5 loss to the Padres on Friday.
He was looking good until the fourth inning, when he attempted to field a comebacker with his pitching hand. Marquez stayed in the game, but wasn't as sharp afterwards, serving up a three-run homer to Austin Hedges two pitches later. Assuming there are no lingering issues with his hand, the right-hander will next take the mound Thursday on the road against the Cubs.