Jayson Tatum had more than just his teammates fired up Wednesday night.
The Celtics forward nailed the game-winning 3-point shot in Boston's season opening win against the Milwaukee Bucks at TD Garden.
Tatum may have thought he "played terrible" in his 30-point performance, but it appears Devin and Jason McCourty don't think so.
Check out the New England Patriots duo reacted after the win:
We're willing to bet that was the reaction of most Celtics fans as time expired.
