"The NFL will not look into the tense post-game exchange between Jets coach Rex Ryan and Giants running back Brandon Jacobs, an NFL spokesman confirmed.

After the Giants' 29-14 Christmas Eve win, Jacobs yelled at Ryan, "Time to shut up, fat boy!"

Jacobs claims Ryan then tried to come after him "the way his old man went after (Kevin) Gilbride."

"You're talking to the wrong Giant," Jacobs said he yelled, "because I will kick your (butt)!"

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Ryan called the exchange with Jacobs a "private conversation" — perhaps a reference to the league's reason for not looking into New England coach Bill Belichick's reportedly vulgar remark about the Jets to his son after the Patriots' Week 10 win.

"He doesn't like me," Ryan said of Jacobs. "I respect him, but I couldn't care less about him.""