LAS VEGAS -- Seanie Monaghan defeated Lowell's Joe McCreedy by TKO in the fifth round in their WBC Continental Americas light heavyweight title Saturday night here.

Monaghan improved to 21-0 with 14 knockouts, while McCreedy is 15-7-2 with 6 knockouts.

The fight was on the undercard of the Manny Pacquiao vs. Timothy Bradley fight for Bradley's WBO welterweight title.

McCreedy, a former Lowell High student and Golden Gloves champion, is trained by former champion Micky Ward.