Grant Williams is Boston’s Batman, Spider-Man, and everything in between

Ahead of yesterday’s Thunder game, which the Celtics won (somewhat) handily, I was combing through the Nuggets game, which the Celtics won handily, in search of the exact moment that Grant Williams realized he was no longer just “Grant,” but a masked vigilante with a mission to defend Gotham — er, Boston.

Sure, his stalwart defensive effort against the reigning league MVP, Nikola Jokic, will serve as a significant pillar in any telling of his hero’s journey. But every hero has that moment, the one that changes them. Peter Parker was bit by a spider; Jefferson Reed only turned into Meteor Man after he was struck in the head by a space rock.

For Grant Williams, it was this:

NBC Sports Boston’s…