Baseball - Babe Ruth, could have made the Hall of Fame as a pitcher as well had he stuck with it.

Basketball - Bill Russell. 13 NBA seasons, 11 NBA titles. 22 rebounds a game, could dominate a game without scoring a single point.

Football - Jim Brown. 9 seasons, led NFL in rushing 8 times. Career averages of over 100 yards per game and 5.2 yards per carry.

Hockey - Wayne Gretzky. NHL record book is dominated by #99.

Golf - Jack Nicklaus. 18 majors. Tiger's got a long way to go to catch that record.

Soccer - Pele. If Americans know about him, then he MUST be the greatest.

Boxing - Ali is the best heavyweight, Sugar Ray Robinson is the best non-heavyweight.

Tennis - Rod Laver. Two grand slams.