Trevor McDonald pitched seven crisp innings in his season debut and the San Francisco Giants beat the San Diego Padres 3-2 on Monday night. Casey Schmitt hit his fifth home run, Luis Arraez had two doubles and scored twice while Rafael Devers drove in two runs to help the Giants to win in their first home game at Oracle Park following an 0-6 road trip. McDonald (1-0), called up from Triple-A Sacramento earlier in the day, was sharp in his first game of the season.