The Chicago Cubs fan confronted by Gov. Chris Christie after heckling him at a baseball game says he wants a rematch. In the ring.

In a Facebook post first reported by the New York Post, the fan, Brad Joseph, said Christie tried to get physical with him at Miller Park in Milwaukee but he was not about to fight back with the governor's security guards around.

So now he is upping the ante, suggesting a real sanctioned fight.

Christie said Monday he initially ignored Joseph when he first heckled him and walked by, but the governor returned as the insults continued.

"I came back after ignoring him the first time and he went in for seconds," Christie told CNN Monday. "Well, if you go in for seconds, I've always said this whether it was at my town hall meetings or any place else: If you give it, you're gonna get it back."

The confrontation was captured by Milwaukee television station WISN-TV.

Joseph acknowledged in the Facebook post that he was "not proud" of his behavior or his original insults.

"So Chris, if you're reading this, I'm sorry." he wrote. "I didn't have much time to think of anything to say, and I wanted to express my displeasure with you."

He said he wasn't sorry for calling Christie a hypocrite, citing the George Washington Bridge lane closing scandal and his use of the governor's beach house when public facilities were shut down during the budget dispute.

"I'm sure Christie would like to go out in public without having people shout at him and point out his hypocrisy," Joseph wrote. "But I'm also sure that this wasn't the first time it happened to him, and I don't think its reasonable for Chris Christie to expect to be in a public place with a rowdy atmosphere and not be heckled."

So yesterday was an interesting day. I want to thank all the friends and family that reached out. Yes, I was the one who... Posted by Brad Joseph on Monday, July 31, 2017

Jonathan D. Salant may be reached at jsalant@njadvancemedia.com. Follow him on Twitter @JDSalant or on Facebook. Find NJ.com Politics on Facebook.