Spalding Basketball signed by the 2017-18 San Antonio Spurs. This ball has 11 signatures from the 2017-18 Spurs. The ball is signed by the following players: (All signatures have been authenticated by PSA/DNA) Notable signatures include Pau Gasol, Patty Mills, LaMarcus Aldridge and Rudy Gay All 11 autographs on this basketball were authenticated by a team of experts at PSA/DNA and come with a Letter of Authenticity so you can rest assured you are purchasing the real deal. Don't miss your opportunity to own this rare basketball autographed by the Spurs