Alvin Davis Autograph Authentication | Alvin Davis Mail-In & Digital Autograph Authentication | Alvin Davis Autograph Examples and Reference Guide
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                    Biography
                    Alvin Glenn Davis (born September 9, 1960 in Riverside, California), nicknamed "Mr. Mariner", is a former Major League Baseball first baseman and designated hitter. Davis played his career primarily for the Seattle Mariners. He won the American League Rookie of the Year Award in 1984.
http://en.wikipedia.org/wiki/Alvin_Davis