Keith Hernandez, the co-MVP of the 1979 season with the World Series Champion Pittsburgh Pirates. Keith also was the captain and hero the 1986 World Series Champion New York Mets
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The Baseball Hall of Famers' players who wore Number 7 were Freddie Lindstrom of the New York Giants, Mickey Mantle of the New York Yankees, Philadelphia's Al Simmons and Joe Medwick.
Many players have worn number "7". One of the more famous "7"s was Mickey Mantle of the Yankees.