All-Time Heaviest Boxing Champions
![All-Time Heaviest Boxing Champions All-Time Heaviest Boxing Champions](https://www.si.com/.image/c_fill,w_720,ar_16:9,f_auto,q_auto,g_auto/MTY4MjYzMDUzODI0OTU5NjUz/nikolai-valuev.jpg)
All-Time Heaviest Boxing Champions
Nikolai Valuev
![Nikolai Valuev](https://www.si.com/.image/t_share/MTY4MjYzMDUzODI0OTU5NjUz/nikolai-valuev.jpg)
The 7-foot Russian ( left ) won a 12-round majority decision against WBA heavyweight champion John Ruiz in 2005 to become the tallest and heaviest champion in boxing history.
Primo Carnera
![Primo Carnera](https://www.si.com/.image/t_share/MTY4MjYzMDU0MzY0MzIwOTMz/primo-carnera.jpg)
"The Ambling Alp" stopped Jack Sharkey in the sixth round to win the world heavyweight title on June 29, 1933.
Lennox Lewis
![Lennox Lewis](https://www.si.com/.image/t_share/MTY4MjYzMDUzMjg5NTk2MDY5/lennox-lewis.jpg)
Lewis recaptured the WBC heavyweight title with a fifth-round TKO of Oliver McCall on Feb. 7, 1997.
Samuel Peter
![Samuel Peter](https://www.si.com/.image/t_share/MTY4MjYzMDUzODI1ODc3MTU3/samuel-peter.jpg)
"The Nigerian Nightmare" earned the WBC heavyweight title with a sixth-round TKO of Oleg Maskaev on Mar. 8, 2008.
George Foreman
![George Foreman](https://www.si.com/.image/t_share/MTY4MjYzMDUzNTU3Mzc2MTY1/george-foreman.jpg)
The 45-year-old Foreman, who had weighed just 217½ when he stopped Joe Frazier for the title in 1973, tipped the scales at 250 for his historic knockout victory over Michael Moorer on Nov. 5, 1994.
Frank Bruno
![Frank Bruno](https://www.si.com/.image/t_share/MTY4MjYzMDU0MDk3MDY1MTI1/frank-bruno.jpg)
After three losses in heavyweight title fights, the south Londoner finally broke through near the end of his career. At 33, Bruno outpointed Oliver McCall for the WBC heavyweight title at Wembley Stadium on Sept. 2, 1995.
Vitali Klitschko
![Vitali Klitschko](https://www.si.com/.image/t_share/MTY4MjYzMDUzODI4MzY3NTI1/vitali-klitschko.jpg)
The elder Klitschko brother captured the WBO heavyweight title with a second-round knockout of Herbie Hide on June 26, 1999.
Wladimir Klitschko
![Wladimir Klitschko](https://www.si.com/.image/t_share/MTY4MjYzMDUzNTU5MDE0NTY1/wladimir-klitschko.jpg)
Vitali's younger brother won the IBF heavyweight title with a seventh-round TKO of Chris Byrd on Apr. 22, 2006.
John Ruiz
![John Ruiz](https://www.si.com/.image/t_share/MTY4MjYzMDUzNTU2MTMwOTgx/john-ruiz.jpg)
"The Quiet Man" ( right ) outpointed Hasim Rahman for the interim WBA heavyweight title on Dec. 13, 2003.
John Tate
![John Tate](https://www.si.com/.image/t_share/MTY4MjYzMDU0MzY3MjA0NTE3/john-tate.jpg)
Tate, a bronze medalist for the United States at the 1976 Olympics in Montreal, won the vacant WBA heavyweight title on Oct. 20, 1979, going on the road to beat Gerrie Coetzee in Pretoria, South Africa.