By Mark Vester

English heavyweight champion Tyson Fury (11-0, 9KOs) is flying high after erasing the doubt over his controversial decision win over John McDermott in September 2009. On Friday night, Fury overcame some tough moments to knock McDermott out in the ninth round of their rematch. Fury was so focused on erasing the stain of the first fight that he vowed to retire from boxing if McDermott was able to win the rematch.

Fury's stamina seemed to take a hit in the middle rounds of the rematch. He says the high tempature of the venue was almost too much to deal with and took away a lot of his energy.

"I'm really happy [because in the] first four rounds I was behind the jab," Fury told Sky Sports. "But the heat in here was very, very hot and I was knackered. I was very tired and my legs were very tired."

"But there's something inside me that thought I'm not quitting here - and I knew I had the power to knock him out. Fair play to John McDermott for fighting me again but I knew I could do it."

A good number of experts picked McDermott to win the rematch. Fury is happy that he proved them wrong. In the past Fury predicted knockout wins over the biggest names in the heavyweight division, like David Haye and the Klitschkos. The confidence of Fury is still flying in high waters. He thinks he can beat any fighter in the division.

"There's a lot of people who thought I'd lose this fight, that I've only had 10 fights, and I'm only young, but I knew I could do it. Any heavyweight out there I know I can beat them," Fury said. 

Send News Tips and Comments To Mark Vester @ boxingvester@gmail.com