Tim Austin knocked out Steve Dotse in the sixth round Saturday night to retain his International Boxing Federation bantamweight championship.

Austin dominated from the outset and floored Dotse with a straight left in the sixth round. Dotse tried to get up but fell into the arms of referee Kamal Hasan, who stopped the bout at 2:09 of the round.

Austin is 23-0-1 with 21 knockouts. Dotse is 18-4-2.

Austin, the 1992 Olympic bronze medalist, had not fought in his hometown since turning professional in 1993.