Former world heavyweight champion Rocky Marciano still holds the record at 49-0 when he retired and never came back to lose the “O”! Willie Pep, Julio Cesar Chavez, Sr., and Nino LaRocca all passed 49-0 only to be defeated.
Floyd Mayweather Jr. is 45-0. Mayweather’s current contract calls for 5 remaining fights on his 6 fight deal putting him up to 50 fights. How will Mayweather handle it if he loses?
The last loss he had in a contest was on October of 2007 Season 4 on “Dancing with the Stars” with partner Karina Smirnuoff finishing 9th.
His amateur record was 84-8. In the 14-15 PAL championship fight he lost by DQ to Pheotis Upshaw in 1992. Upshaw never turned professional.
In 1994 he lost to Arnulfo Bravo in the US Junior Olympics. Arnulfo was 4-2 as a professional.
In 1995 he lost to Tigran Ouzlian of Greece in Russia. He never turned professional.
Mayweather lost to Carlos Navarro in the 1995 Pan Am box-off. Navarro was 27-6-1 retiring in 2007.
In the World Championships in Berlin Mayweather lost to Nouredine Medjihoud of Algeria 8-6. He was 0-3 in the professionals.
In 1996 he lost to Martin Castillo who retired as a professional at 35-4 in 2010.
At the Olympic trials Mayweather lost to Augie Sanchez 12-11 but defeated Sanchez 12-8 and 20-10 to represent the USA in the 1996 Olympics. Sanchez was 28-3 in the professional ranks retiring in 2001.
At the 1996 Olympics which was Mayweather’s last loss in the semi-final round to Serafim Todorov of Bulgaria and received the Bronze Medal. Todorov ended up with a Silver medal. He was 5-1 as a professional.
This writer felt Mayweather lost to Jose Luis Castillo in their first fight in April of 2002 for Castillo’s WBC Lightweight title. Mayweather was the WBC Super featherweight champion at the time. He won on the judge’s cards by 13 points. They had a rematch in December in which the point difference was 7 points in favor of Mayweather and I felt Mayweather won.
Most boxing people felt there were two boxers Mayweather wasn’t interested in fighting. One was southpaw Paul Williams and the other Antonio Margarito.
Video - Mayweather’s sparring session with southpaw Spadafora.
Many have viewed on www.youtube.com (embedded to the left of this text) Mayweather’s sparring session with southpaw Paul Spadafora and felt Spadafora got the best of Mayweather. Spadafora is the former 135 WBA champ and now campaigning at that 140 with a 48-1-1 record losing Saturday for the first time for the interim WBA light welterweight title.
If Floyd Mayweather, Jr., loses how will he handle it? Time will be the judge and there are many who have tried to defeat him as professionals and many who would jump at the chance to find out!