Former two-division champion David Haye, 37 years old, believes he will turn back the clock on December 17th, when he collides with heated rival Tony Bellew in a highly anticipated rematch.
Back in March, Haye was huge favorite to blow past Bellew, who was moving up from the cruiserweight ranks.
That didn't happen. In the middle of the fight, Haye suffered a severe a Achilles injury. He was dropped twice and eventually stopped in the eleventh round, as he became a one-legged fighter with the injury.
After the contest, Haye underwent surgery for his injury and he required several months of rehabilitation.
He also parted ways with his most recent trainer, Shane McGuigan, and hired Cuban coach Ismael Salas - who worked with the likes of Guillermo Rigondeaux, Jorge Linares, Nonito Donaire and others.
Haye says the camp is going great with the addition of Salas at his side.
"I'm really enjoying it. He's trained many of the great Cuban fighters; Rigondeaux, Felix Savon - the three-time Olympic champion, [Joel] Casamayor, [Yuriorkis] Gamboa. All of the most skilful fighters in the world, who have got great footwork, mobility, range, punch variety - he's trained these guys since they were little kids so he really understands boxing," Haye said to Sky Sports. "I really feel it has worked and now I'm just looking forward to fight now so I can show what I believe is the best version of myself."
Haye believes the very best version of himself will arrive next month to the O2 Arena in London.
If Haye loses again, he fully admits that his career will be over.
"I'm really happy, I've already started sparring, my leg feels good, my shoulders, arms, body - everything feels tidy. I'm actually enjoying going to the gym every day, learning new things and practising my craft. I don't feel 37. I feel young, I feel fresh, I feel better than I've felt for many, many years. I'm just looking forward to showing people on December 17 what I've still got."