Garza had a 2.43 ERA and was riding a streak of four quality starts before running into trouble against Toronto in his last start, when he was charged with six earned runs on seven hits in 5 1/3 innings.
Gsellman produced his first quality start since April 19 against the Padres on Wednesday, allowing three runs over six innings in his first start since a 10-day stint in the bullpen. The Brewers tagged him for six runs in four innings on May 13.