The 30-year-old Walls, whose homers were his first of the season, went 4 for 5 in his second two-homer game. Walls hit his first homer of the season, a two-run shot to right-center, in the fourth. The AL East-leading Rays jumped out to an early lead off Junior Caminero’s 412-foot, two-run shot to center field in the first inning. Lawrence Butler had a two-run homer for the Athletics in the fifth inning. Up nextRHP Drew Rasmussen (11-5, 2.75 ERA) goes for Tampa Bay in the finale of the three-game series Wednesday.