Couples withdraws due to back injurySACRAMENTO, Calif. (AP) Fred Couples has withdrawn from the U.S. Senior Open because of a back injury. The 55-year-old Couples has a long history of backSI Staff|Share on FacebookShare on XAdd us as a preferred sourceCouples withdraws due to back injuryAdd us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Jun 23, 2015 | Modified Jun 23, 2015SI STAFFShare on FacebookShare on X