The AP reports: The Boston Celtics looked to Kevin Garnett in the fourth quarter. Garnett scored 10 of his 18 points in the final quarter, and Atlanta‚Äôs Joe Johnson missed a late free throw that would have tied it, helping the Celtics beat the Hawks 88-85 on Wednesday night for their 16th straight victory. After Johnson missed the second of two free throws with 2.7 seconds, Ray Allen made a pair of free throws with 0.7 seconds left for the defending NBA champion Celtics, who have a franchise-best 24-2 record. It was only the second loss in 10 home games for the Hawks… Joe Johnson led Atlanta with 20 points, 10 in the final period. He was 7-of-7 from the line before the miss. Marvin Williams added 16 points, and Josh Smith and Mike Bibby had 14 each for the Hawks.