Isaiah Thomas sends message to haters on April Fools' Day

Boston Celtics guard Isaiah Thomas chooses to stay angry at those who doubted him, instead of basking in the glow of his career year.

Thomas had a pointed message for his haters on April Fools' Day, reminding everyone that he eventually became the best 60th overall pick in NBA history.

The best in the game find motivation in the tiniest of slights. Stay angry, IT.