Pernell Whitaker, who won six of his...

Pernell Whitaker, who won six of his seven previous fights by knockout, injured his powerful left hand in the fourth round but still had enough to score a 10-round unanimous victory over John Montes in a lightweight bout at Hampton, Va..

Whitaker, who won a gold medal in the 1984 Olympics in Los Angeles, moved to 8-0, going 10 rounds for the first time. Montes, of Whittier, dropped to 29-4.