Hitchins dismantles Kambosos inside eight to retain 140lb title at Garden

• Hitchins stops Kambosos with vicious body shot

• Brooklyn native dominates from start in hometown

• Aussie Kambosos suffers fourth defeat in six fights

Richardson Hitchins delivered a career-best performance on Saturday night at the Theater at Madison Square Garden, stopping George Kambosos Jr with a withering body shot in the eighth round to retain the IBF's version of the light welterweight championship.

In his first defense of the 140lb belt, and his first time headlining a card in his hometown, Hitchins (20-0, 8 KOs) controlled every round before putting Kambosos down with a sharp left hook to the midsection. The Australian rose to his feet before the count of 10, but referee Michael Griffin waved off the fight as Kambosos visibly grimaced in pain, unable to continue.