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This Mark McGwire autograph is boldly signed in blue Sharpie pen and has been authenticated by the world's premier autograph authentication service - JSA. This item comes with matching JSA Certificate.


Mark McGwire is an American former professional baseball player. As a first baseman, his MLB career spanned from 1986 to 2001 while playing for the Oakland Athletics and the St. Louis Cardinals. He quickly grabbed media attention in 1987 as a rookie with the Athletics by hitting 33 home runs before the All-Star break, and would lead the major leagues in home runs that year with 49 - setting the single-season rookie record. He appeared in six straight All-Star Games from 1987 to 1992 despite a brief career decline related to injuries. Another string of six consecutive All-Star appearances followed from 1995 to 2001. Each season from 1996 to 1999, he again led the major leagues in home runs.

A part of the 1998 Major League Baseball home run record chase of Roger Maris' 61 with the Cardinals, McGwire set the major league single-season home run record with 70, which Barry Bonds broke three years later with 73. McGwire also led the league in runs batted in, twice in bases on balls and on-base percentage, and four times in slugging percentage. Injuries significantly cut into his playing time in 2000 and 2001 before factoring into his retirement. He finished with 583 home runs, which was fifth all-time when he retired.

For his career, McGwire averaged a home run once every 10.61 at bats, the best at bats per home run ratio in baseball history (Babe Ruth is second at 11.76).[5] McGwire also holds the distinction of being the fastest player to hit 500 home runs, in only 5,487 at-bats.

Career highlights and awards
12× All-Star (1987–1992, 1995–2000)
2× World Series champion (1989, 2011)
AL Rookie of the Year (1987)
Gold Glove Award (1990)
3× Silver Slugger Award (1992, 1996, 1998)
5× MLB home run leader (1987, 1996–1999)
NL RBI leader (1999)
St. Louis Cardinals Hall of Fame
Major League Baseball All-Century Team