BOSTON -- A Boston Celtics fan who allegedly threw a water bottle at Kyrie Irving's head as he was leaving the court at TD Garden following the Brooklyn Nets' 141-126 victory on Sunday night has been arrested, a league sources told ESPN. The bottle narrowly missed Irving, who was walking toward the tunnel after his 39-point performance helped give Brooklyn a 3-1 series lead over the Celtics. "You can see that people just feel very entitled out here," Irving said about the incident. "They paid for their tickets -- great, I'm grateful that they're coming in to watch a great performance. But we're not at the theatre. We're not throwing tomatoes and other random stuff at the people that are performing." The fan was escorted out of the arena by Boston police and arrested, sources said. "We will support and provide assistance to Boston Police as this incident is under review," a TD Garden spokesperson said in a statement. "We have zero tolerance for violations...