The USA Boxing New England Championships continue Saturday at the Portland Boxing Club, with semifinals beginning at 8 p.m. The championship finals will be held at 8 p.m. Nov. 27 at the Stevens Avenue Armory, where former world heavyweight champion James “Buster” Douglas will be available for photos and autographs. Advance tickets are on sale at Bruno’s Restaurant, 33 Allen Avenue, Portland. For more information, call 761-0975 or visit