TV cameras captured his reaction.
The Boston Celtics, the No. 1 seed in the Eastern Conference, lost Game 1 of its first round series against the Chicago Bulls Sunday night.
One young Celtics fan was not happy.
TNT’s cameras captured his reaction.
My beautiful son. My big rowdy Boston boy. pic.twitter.com/D7Uy60uetv
— Luke O'Neil (@lukeoneil47) April 17, 2017