Ujiri pushed the deputy out of the way and got on the court, Kelly said.
The deputy tried to stop Ujiri by pushing him backward off the court, Kelly said. Ujiri then pushed the deputy a second time, with part of his arm or elbow coming into contact with the deputy’s face, the spokesman said.
Kelly said it wasn’t an intentional punch, but the strike landed on the deputy’s jaw and he complained of pain.
The deputy was not seriously injured, according to Kelly, and he was treated and released at an area hospital.
CNN Sports is reaching out to the Raptors and Ujiri for comment.
Kelly said the sheriff’s office is working with the Oakland Police Department to compile witness statements and videos. It will submit evidence to the district attorney’s office for a possible charge of battery on an officer, he said.
Thursday’s incident is not the first time a team official made a scene at the finals.
was pushed by a man sitting in the front row at Oracle Arena.
The “fan” turned out to be Golden State Warriors investor Mark Stevens. The NBA fined him $500,000 and banned him from attending any team activities through the end of next season’s playoffs.
The Warriors released a statement from Stevens last week apologizing.
“I take full responsibility for my actions … and am embarrassed by what transpired,” he said. “What I did was wrong and there is no excuse for it. Mr. Lowry deserves better, and I have reached out today in an attempt to directly apologize to him and other members of the Raptors and Warriors organizations.”
The Raptors won Thursday’s game 114-110 for a 4-2 series victory.
CNN’s Jill Martin contributed to this report.