"Everything went good and he felt great after it," manager Dale Sveum said Wednesday about Garza's outing.
Braeden Schlehuber put Mississippi on the board first in the bottom of the second with a two-out RBI single off Garza that scored Christian Marrero.
Carrie Muskat is a reporter for MLB.com. She writes a blog, Muskat Ramblings, and you can follow her on Twitter @CarrieMuskat Joey Nowak contributed to this report. This story was not subject to the approval of Major League Baseball or its clubs.