Mike Dunleavy, who got tackled by Giannis Antetokounmpo between, kept hitting Michael Carter-Williams in neck (videos)
Before that, though, Dunleavy took a cheap shot on Milwaukee guard Michael Carter-Williams. In the first quarter:
Then, after Antetokounmpo escalated things, Dunleavy went after Carter-Williams again in the third quarter:
When Dunleavy went for his neck that second time, Carter-Williams retaliated.
Throughout the series, the referees did a poor job officiating these incidents. The more players got away with, the the more the aggrieved side took retribution into its own hands. If the refs had nipped this in the bud, we could have avoided a lot of nonsense.