Denis Hernandez - Weigh in

Diego Sanchez - The Ultimate Fighter

David Beckham, Tom Brady and other athletes - warning NSFW

David Beckham

Tom Brady

                                                              UFC Fighter pat barry

                                  This is from a real basketball game - I think a college game?

                                                     

                                      Brian Joubert

                                                          Daniel Goddard

               

Matthew Riddle - UFC - Weigh-in

OK, a bit of a cheat here (no white briefs) BUT totally worth it IMHO. Not that he is a bit more famous the undies have gotten more boring but loved his first weigh-in!