On November 2, 2007, a 32-year-old Calvin Brock (31-1, 23 KOs) and a 25-year-old Eddie Chambers (29-0, 16 KOs) met in the ring.
Brock came in to the fight on a 2-fight win streak with a 71% KO rate, and was fighting after a gap of 5 months. Chambers was on a 29-fight win streak with a 55% KO rate, and fighting after a layoff of 5 months and 29 days.
Eddie Chambers defeated Calvin Brock via split decision in the 12-round fight. Chambers improves his record to 30-0, while Brock adds a loss to his record at 31-2.
On November 11, 2006, a 31-year-old Calvin Brock (29-0, 22 KOs) got a shot at the heavyweight IBF title held by 30-year-old Ukrainian boxer Wladimir Klitschko (46-3, 40 KOs).
Brock came in to the fight on a 29-fight win streak with a 75% KO rate, and was fighting after a gap of 4 months and 18 days. Klitschko was on a 4-fight win streak with a 81% KO rate, and fighting after a layoff of 6 months and 20 days.
Wladimir Klitschko stopped Calvin Brock via TKO in the 7th round of the 12-round world-title fight, and successfully defended his IBF heavyweight title. Klitschko improves his record to 47-3 (41 KOs), while Brock adds a loss to his record at 29-1.