Original sentence: There was a rematch, on May 15, 1953, in Chicago, and the second time around,Walcott was unable to regain his belt when he was again defeated by Marchiano by a knockout in the first round
Edited sentence: There was a rematch, on May 15, 1953, in Chicago, and the second time around, Walcott was unable to regain his belt when he was again defeated by Marchiano by a knockout in the first round