Late in the fourth quarter Monday night, Al Horford looked up into the stands. Never one to pad his stats unnecessarily, the big man had stalled close to a triple-double several times since joining the Celtics in the summer of 2016, but never reached the mark with the team. Knowing it had been a while since his lone career triple-double, which came more than four years ago while he was still with the Hawks, Horford understood he needed only a single assist to register his second.



“You better get it,” his wife, Amelia Vega, told him.



In classic Horford fashion, he said he didn’t hunt for his 10th assist, but kept trying to make the right play, regardless of the looming milestone. Still, he picked up the last dime he needed, and it helped stabilize the Celtics after a rocky stretch had put them in danger of losing a 23-point lead to the Miami Heat. By also finishing Boston’s 110-105 win with 19 points and 10 rebounds, Horford met his wife’s...