The young fan brought the heat, reminding Irving that the Blue Devils lost to Gonzaga this season, 89-87, at the Maui Invitational.
The fan later admitted that Duke was one of the better teams he's seen when Celtics head coach Brad Stevens asked him to be honest and take his biases out of the equation, however.
The Celtics spent time at the hospital and sang Christmas carols to the patients. Irving also gave away a pair of sneakers:
The visit was a great gesture from Irving and the Celtics, even if Irving wasn't feeling the Duke slander.