The Boston Celtic faithful were none too pleased when the team traded for forward Jeff Green earlier this season.

This wasn't so much of a reflection on Green; he's a perfectly adequate NBA role player. Instead, Celtic nation was bummed that the price for acquiring Green included popular center Kendrick Perkins.

The Celtics have struggled ever since making the deal, and now, the team's fans have another reason to hate on Green: During a game against the New York Knicks last week, Green managed to have one of his dunks blocked by his own head!

In case you're wondering, the shot doesn't count when this happens. Read on to check it out.

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