Spalding basketball signed by the 2015-2016 golden state warriors. this ball has 21 signatures from 16 players and 5 coaches on the 2015-16 warriors. the ball is signed by the following players: (all signatures have been authenticated by psa/dna) 21 signatures stephen curry draymond green jarron collins ron adamskevon looney shaun livingston steve kerrklay thompson (x2)andre iguodala bruce fraserluke waltonbrandon rushjason thompsonleandro barbosaharrison barnesandrew bogutjames michael mcadooian clarkfestus ezelimarreese speights this is probably the most complete authentic warriors team signed basketball you will find of the greatest team of all-time. the 2015-16 warriors won a nba record 73 games, eclipsing the 1995-96 chicago bulls. all 21 autographs on this basketball were authenticated by a team of experts at psa/dna and comes with a letter of authenticity so you can rest assured you are purchasing the real deal. don't miss your opportunity to own this one of a kind basketball autographed by the warriors historic 2015-16 team.