Giannis has 39, Bucks beat Celtics 113-101, lead series 3-1

Boston Celtics' Al Horford (42) defends against Milwaukee Bucks' Giannis Antetokounmpo (34) during the first half of Game 4 of a second-round NBA basketball playoff series in Boston, Monday, May 6, 2019. (AP Photo/Michael Dwyer)

BOSTON — When Giannis Antetokounmpo picked up his fourth foul early in the third quarter of a tie game, the Boston Celtics sensed a chance to pull away.