NEW YORK (AP) — Heavyweight Chazz Witherspoon and middleweight Peter Quillin extended their undefeated streaks Wednesday night with unanimous 10-round decisions at Hammerstein Ballroom.

Witherspoon, 225 pounds, of Paulsboro, N.Y., now is 23-0 — he has 10 knockouts — after defeating Dominic Jenkins, 244 3/4 of Dallas. The loss was the eighth for Jenkins, who has 13 wins and two draws.

Quillin, 162 1/2 of Chicago, boosted his streak to 19 with his decision over Antwn Echols, 162, of Davenport, Iowa. The winner has yet to register a knockout.

Echols dropped to 31-8. He has three knockouts and four draws.