Jason Day overhauls his clubs before the Wyndham Championship.

Day replaced his Avoda irons with Callaway Apex MB short irons and an X Forged 5-iron. He also added Callaway fairway woods and began testing Callaway wedges while keeping his Ping driver.

Day enters the PGA Tour regular-season finale 75th in the FedEx Cup standings after withdrawing from several recent tournaments because of a back injury. The top 70 advance to the playoffs.