This autographed jersey has been personally hand-signed by Denny McLain of the Detroit Tigers. McLain added the inscriptions "WSC 1968", "36 Career Shutouts", "My only HR on 9/63 DET 380 Ft.", "31-6, 1968", "Cy 68/69", "MVP 1968", "ERA 1.96", "K 280", "IP 336", "CG 28" along with his signature. This autograph is certified by PSA/DNA's (Professional Sports Authenticators) In The Presence authentication. That means that a PSA representative was present when this item was signed. It comes with the PSA numbered hologram and matching Certificate of Authenticity.