-Wayne Gretzky is the greatest hockey player of all-time - Yes
-Michael Jordan is the greatest basketball player of all-time - Arguable but I'm not getting into it.
-Joe Montana is the greatest Football player of all-time - Meh, No but I don't know who I'd say is?
-Pele is the greatest Soccer ('Football') player of all-time - I have no idea?
-Gary Kasparov (sic?) is the greatest Chess player of all-time - No. You are probably a great chess player, Heyman.
-Babe Ruth is the greatest baseball player of all-time - Yes
-Mohammad Ali is the greatest boxer of all-time - Like Rob said, pound for pound I guess I'm going with De La Hoya. Ali was amazing, however.
-Rod Laver is the greatest tennis player of all-time - Sampras
-Jack Nickalus is the greatest Golfer of all-time - I guess, not sure don't watch enough to tell, but my dad says he is and hes a golfaholic
-Heyman is the greatest message board poster of all-time. - Void
-Kurt Angle is the greatest amateur wrestler of all-time - I'd say so
-Ken Shamrock is the greatest UFC fighter of all-time - Tito Ortiz
-Nancy Kerrigan is the greatest ice-skater of all-time - ...