Mild mannered Boston Celtics coach Brad Stevens picked up a rare technical foul is Friday night's exhibition loss to the New York Knicks 101-95.

It is just second technical as a NBA coach.

The C's suffered their first loss of the preseason by getting off to a slow start and then turned the ball over 18 times. The 4-0 Knicks turned it over just seven times.

Check out Stevens' view of the game...