Don Mattingly Baseball Stats by Baseball Almanac

SABR's Baseball Cards Research Committee – Page 19

Baseball Happenings: New York Yankees

Did You Know … – Premier Baseball Association

Happy 59th! Or is it 58th? Cracking the mystery of Don Mattingly's birthday - ESPN

The Toolsiest MLB Players Of The Past 30 Years — College Baseball, MLB Draft, Prospects - Baseball America

Ranking current MLB managers based on their playing careers

Which team plays the longest games? : r/baseball

1990 Donruss Best AL #38 Don Mattingly - NM-MT

Ragin' Cajun Tyler Robertson Drafted by San Diego Padres in RD 14

Don Mattingly Cards Trading Card Database

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