Orioles (17-12) vs. Oakland Athletics (14-17)
First pitch: 1:35 p.m.
TV/Radio: MASN/105.7 The Fan
Starting pitchers: Orioles RHP Chris Tillman (3-1, 2.81 ERA) vs. Athletics RHP Kendall Graveman (1-3, 4.40 ERA)
What to watch
1. On the verge. The Orioles scored one run in 27 innings before their first run in Saturday's doubleheader. But the dormant offense began to show signs of awakening. First it was a three-run ninth in Saturday's matinee and then a four-run third in the nightcap.