Last month, a few hours before the Knicks boarded a plane to London, David Fizdale eased any worries about his youthful team going wild abroad. They were too busy, he said, playing “Fortnite” to go out and get in trouble.



The comment may have gone by as nothing but a flippant observation if Fizdale hadn’t mentioned the popular game the month before, too.



“‘Fortnite,’ that’s my competitor right now,” Fizdale said in December. “‘Fortnite’ is tougher than the Boston Celtics.”



“‘Fortnite’ is undefeated.”



It was clear that the best-selling game had lodged a home in Fizdale’s brain, worrying him enough that it was causing troubles for his team, or had the potential to. Why else would an NBA head coach bring it up — twice, unprompted — in a month?



Maybe, even, he was right.



Mitchell Robinson had seen...