How well-known are these all-time great sports figures?

[darwinbulldog]

I did the same with my wife. Here are her responses.

Babe Ruth: Y
Muhammad Ali: Y
Jackie Robinson: Y
Pele: Y
Lou Gehrig: Y
Mickey Mantle: Y
Joe Frazier: N
Roberto Clemente: "only because I've heard you talk about him" [henceforth "obihytah"]
Joe DiMaggio: Y
Ty Cobb: Y
Shoeless Joe Jackson: Y
Wilt Chamberlain: Y
Bill Russell: N
Jack Dempsey: N
Joe Louis: N
Rocky Marciano: "Is he a boxer?"
Jim Thorpe: N
Jack Johnson: "Is he that singer that did the songs for Curious George?"
A.J. Foyt: Y [This one was a no for me though.]
Richard Petty: N
Honus Wagner: obihytah
Satchel Paige: obihytah
George Mikan: N
Rogers Hornsby: obihytah
Christy Mathewson: obihytah
Walter Johnson: obihytah
Bobby Jones: N
Bronko Nagurski: N
Josh Gibson: N [And this is my favorite player, and I've mentioned that multiple times, and I own a couple of Josh Gibson team baseball caps. Just not a distinctive enough name I guess.]
Georges Vezina: N