AL Rookie of the year Neftali Feliz made his fourth start as he tries to make the switch from closer to the rotation. He gave up two runs and four hits over five innings in his fourth start this spring. Feliz set a rookie record last year with 40 saves.
Cust, Adam Kennedy and Mike Wilson homered in a four-run Seattle eighth off Rangers reliever Darren O'Day.
Jack Wilson went 3 for 3 with an RBI for the Mariners. Kevin Cash and Omar Quintanilla homered for the Rangers, who have lost five straight.