The right-hander pitched six innings in Milwaukee's 3-0 loss to the St. Louis Cardinals on Friday night. Garza (1-3) struck out a season-high six and walked two. Jason Heyward and Jhonny Peralta homered for St. Louis, and Yadier Molina drove in a run with a second-inning grounder. Carlos Martinez (2-0) struck out eight in sparkling seven innings. [...] really, we had people in scoring position, Milwaukee manager Ron Roenicke said. Milwaukee challenged a call at second base in which Parra initially was ruled out on an attempted double play. Infielder Dean Anna was optioned to Triple-A Memphis to clear a roster spot for Bourjos. Brewers: OF Carlos Gomez continues to make progress in recovering from a right hamstring injury. Adam Wainwright (2-1, 1.71 ERA) took the loss against the Brewers in St.