What happened: Boston Celtics forward Sam Hauser dressed up alongside his son, Teddy, for Halloween. The duo sported Toy Story-themed attire as Hauser arrived ahead of tournament play.

Why it matters: Holiday costume arrivals have become a common tradition across the league, offering players an opportunity to share personal moments with their families around games. For Boston, Hauser remains a key rotation piece as the team navigates early regular-season competition.

What to watch: Boston continues its regular-season slate as tournament action proceeds.