Before revision: Big Knockout Boxing (BKB) is a combat sport brand developed and owned by DirecTV, a subsidiary of AT&T The sport is similar to boxing but does not use a ring, ropes, corners and three minute rounds.
After revision: ,Big Knockout Boxing (BKB) is a combat sport brand developed and owned by DirecTV, a subsidiary of AT&T The sport is similar to boxing but does not use a ring, ropes, corners and three minute rounds.