Cruz hit a solo homer off Dustin McGowan in the third and a grand slam off Todd Redmond (0-2) in the fifth, giving him six homers this season and 11 career multihomer games. The slam was his seventh.
Davis hit a solo homer in the first, and Wieters added a solo drive off J.A. Happ in the seventh.
Shortstop J.J. Hardy (right hamstring) and Wieters (right forearm) both returned to Baltimore's lineup after sitting out the previous two games. Wieters hit a two-run double in Baltimore's six-run fifth and Hardy added a sacrifice fly.