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After Monday night’s win over the Milwaukee Bucks in Game 4, the Boston Celtics veteran Al Horford said he was motivated by an encounter he had earlier in the game with Milwaukee’s Giannis Antetokounmpo, who drew a technical foul in the first half when he stared down Horford after a dunk:

“I don’t really know what he said to me, but the way he was looking at me and the way he was going about it, really didn’t sit well with me,” Horford said, via ESPN. “At that point, I think just something switched with me in the game.”