Video: Full highlights of Isaiah Thomas' Celtics debut; plus how'd he get ejected for that?

Thomas slaps hands with buddy Floyd Mayweather in the front row at Staples Center.

Here are the highlights from Isaiah Thomas' 21-point, 5-rebound, 3-assists, 2-steal debut with the Celtics last night.  Due to his untimely ejection, all of that came in just 25 minutes of action:

Notice Thomas' many trips to the foul line (he went 6-for-7), something Boston (27th in the league in free-throw attempts per game) sorely needs.  And since you can't quite see the "throw" that referee Tony Brothers deemed worthy of tossing Boston's leading scorer in a four-point game with five minutes remaining, here's a closer look:

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