Lot Detail - Don Mattingly New York Yankees Game-Used First Baseman's Mitt
Way Back, Back, Back: The Unlikely Origin of Baseball's Launch Angle Revolution
Don Mattingly Price List - Supercollector Catalog
Don Mattingly collector shows his passion for Yankee great with unique, online checklist - Sports Collectors Digest
SABR 46: An Interview with Don Mattingly – Society for American Baseball Research
Did Marlins give up on Justin Nicolino too soon? - Fish Stripes
Don Mattingly, Baseball Wiki
Don Mattingly – Society for American Baseball Research
September 16, 1993: Dave Winfield collects 3,000th career hit – Society for American Baseball Research
Don Mattingly misses out on Baseball Hall of Fame again
2014 Hall of Fame profile: Don Mattingly
DON MATTINGLY: FAME SECOND TO FAITH AND FAMILY