NBA capsules: Celtics edge Bucks on Antetokounmpo’s missed free throw

Milwaukee Bucks' Giannis Antetokounmpo (34) reacts beside Boston Celtics' Marcus Smart (36) after missing his second free throw after being fouled with less than a second left on the clock during the second half of an NBA basketball game, Wednesday, Dec. 23, 2020, in Boston. (AP Photo/Michael Dwyer)

BOSTON — Jayson Tatum banked in a fallaway, go-ahead 3-pointer in the final second, and Giannis Antetokounmpo missed the potential tying free throw with 0.4 seconds left, allowing the Boston Celtics to escape with a 122-121 victory over the Milwaukee Bucks on Wednesday night in the teams’ season opener.