Inside, Trump stood up in his seat in the VIP section and waved to a crowd that mostly cheered - though there were also plenty of "boos" and the occasional raised middle finger as well.
It was reported earlier in the week that Trump would be attending the event, and his arrival at the famous NY venue mid-way through the preliminary card caused havoc backstage for the journalists, coaches and fighters working the event.
A handful of signs reading "Remove Trump" and "Impeach Trump" dotted the crowd.
Derrick Lewis, an American heavyweight, won his fight in a split decision over Blagoy Ivanov, a Bulgarian fighter, as chants of "U.S.A.!" echoed.
"I will never say anything negative about Donald Trump", White said at the time.
President Donald Trump speaks to the media before boarding Marine One on the South Lawn of the White House.
President Trump, however, felt like his entrance was very well received.
NEW YORK, NY - NOVEMBER 01: (L-R) Jorge Masvidal and Nate Diaz face off during the UFC 244 weigh-ins at the Hulu Theatre at Madison Square Garden on November 1, 2019 in New York, New York.
During the live pay-per-view coverage of the event, the camera focused on Trump several times. The official said the RNC paid because the president attended.
Doolittle, 33, was quoted as saying he would not go because his wife's parents are lesbians and he has a disabled brother-in-law, and Trump has mocked both lesbians and the disabled. "I'm coming to New York".
"Donald championed the UFC before it was popular, before it grew into a successful business", White said before a crowd gathered in Cleveland. That makes his time spent in Florida five times more than his time spent in NY. One member of the Nationals, pitcher Sean Doolittle, said he will not attend.
"This is America, you can believe and do whatever you want", he said. He was set to sleep in his former penthouse Saturday before leaving town the following morning, his motorcade certain to add to the traffic congestion anticipated that for the New York City Marathon.
A few days earlier Masvidal told the press that he was humbled by the chance to fight in front of the president.