Lopez, one of the four new acquisitions of Blu, snared the rebound off a Lou Gatumbato miss and then scored on a putback for the clincher as time expired.
Nutri-licious dropped to 1-1.
Earlier, Montana Pawnshop vented its ire on newcomer Viva Mineral Water, 83-54, to bounce back from an opening day loss to Nutri-licious.
Gary David led Montana’s charge with 22 points, including 15 in the third quarter as the Jewellers broke away to register the conference’s first blow out.