Isaiah Thomas appears to tell Wizards fan: ‘I’ll f— you up’ (video)

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In a heated Game 3 of Celtics-Wizards, Isaiah Thomas had some harsh words for a Washington fan. It appeared he said:

I’ll f— you up. You know that.

Make sure after, come right here and say it.

Who knows what the fan told Thomas? It seems likely the Boston guard was provoked. Depending on the initial heckle, Thomas’ response might have been reasonable – and even welcomed by the provocateur.

But the NBA has thrice fined DeMarcus Cousins for directing profanity toward fans on video. This stuff happens, but the league doesn’t investigate every instance – unless it’s caught on video. That seems to be the line, and Thomas got caught crossing it.