Autographed 25 New York Yankees Legends Baseball Bat A 32 inch Louisville Slugger Don Mattingly M110 baseball bat signed by 25 New York Yankees including Berra, Rizzuto, Slaughter, Larsen, Lopat, Reynolds, Henrich, Lyle, Woodling, Bauer, Tresh, Boyer, Pepitone, Ditmar, and more. JSA cert.