Don Mattingly's 1985 season triggered soaring baseball card prices

John Racanelli – SABR's Baseball Cards Research Committee

Don Mattingly Trading Cards: Values, Tracking & Hot Deals

DON MATTINGLY 1985 TOPPS #665 MVP, NEW YORK YANKEES, 2ND YEAR, NM AWESOME CARD AND TRULY AN AMAZING ADDITION TO ANY SERIOUS CARD COLLECTION (ALSO

Don Mattingly 1985 Topps #665 MVP, New York Yankees, 2nd Year, NM

Baseball Cards Trouble with the Curve

My Don Mattingly Baseball Card PC collection

Don Mattingly: 1982-1995: one of Baseball Amore's Favorite Non-Italian Players - Italian Americans in Baseball

John Racanelli – SABR's Baseball Cards Research Committee

Don Mattingly Trading Cards: Values, Tracking & Hot Deals