Spalding Basketball autographed by D.J. Steward and Jalen Johnson who notably played for the Duke Blue Devils. The autograph of DJ and Jalen on this basketball was authenticated by a team of experts at PSA/DNA so you can rest assured you are purchasing the real deal. We'd like to encourage you; our customer; to reach out to us if you come across any questions. We always take the time to respond to a message from our customers and we're happy to hear from you!