By sport, IMHO, these are the athletes (in their prime) that would make me want to stay on the bench:
Baseball: Randy Johnson
Pro Football: Lawrence Taylor
College Football: Ndamukong Suh
Track: Usaine Bolt
Basketball: Dennis Rodman
Golf: Tiger
Boxing: Tyson
Tennis: Martina Navratilova
Hockey: Eric Lindross
Soccer: Marouane Fellaini
Swimming: Michael Phelps
Baseball: Randy Johnson
Pro Football: Lawrence Taylor
College Football: Ndamukong Suh
Track: Usaine Bolt
Basketball: Dennis Rodman
Golf: Tiger
Boxing: Tyson
Tennis: Martina Navratilova
Hockey: Eric Lindross
Soccer: Marouane Fellaini
Swimming: Michael Phelps