The AP reports: O.J. Mayo scored 12 of his 16 points in the fourth period, including nine straight, and the Grizzlies held on to defeat the Toronto Raptors 78-70 on Saturday night. Mayo’s 3-pointer with 25.7 seconds left was costly for the Raptors, who had erased a 13-point lead in the second half and lost their sixth straight. Mayo had struggled from the field through the first three quarters, missing nine of his 11 shots. He saved the best for the stretch… “We were wide open for shots,” said Raptors guard Jose Calderon, who led Toronto with 18 points and five assists, but was 5-of-15 from the field… Hakim Warrick matched Mayo’s 16 points and both grabbed eight rebounds. Mike Conley scored 15 points and handed out eight assists.