clemente
Ferguson Jenkins in 1991
Ty Cobb was inducted into the Baseball Hall of Fame in 1936.
Tom Seaver
You can't really be inducted twice as a player. To answer the spirit of your question though - would a player, say, Ted Williams, be inducted twice is he followed his Hall-of-Fame worthy career by an equally Hallworthy career as a manager? The answer is, no.
Carl Hubbel.
Roberto Clemente
Christy Mathewson, who was inducted into the baseball hall of fame in 1936. He was buried at Lewisburg Cemetary in Lewisburg, Pennsylvania on October 10, 1925.
Hank Aaron was inducted into the Baseball Hall of Fame in 1982.
roberto clemente
George Brett
Cal Ripken Jr. was inducted into the Baseball Hall of Fame in 2007.