Cody Garbrandt was made to look very silly when he was destroyed by TJ Dillashaw after a very disrespectful pre-fight act.
The men's bantamweight title bout at UFC 217 threw up an instant classic as Dillashaw floored Garbrandt halfway through the second to win by knockout and reclaim the belt he lost to Dominick Cruz in January 2016.
There was certainly no lost between the former teammates, and Garbrandt showed his hatred of Dillashaw when he refused to touch gloves before the fight.
Fighters will often touch gloves with each other before they do battle in a gesture of good sportsmanship.
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However Garbradt wanted none of it when Dillashaw offered his gloves, walking away and leaving his rival hanging.
That disrespect came back to bite Garbrandt when he was destroyed by Dillashaw in the second round, courtesy of a big right hand that sent Cody crashing to the canvas.
Garbrandt's poor sportsmanship was reminiscent of that displayed by Ronda Rousey before her shock loss to Holly Holm in 2015.
Rousey also refused to touch Holm's gloves before copping a savage knockout.
It certainly was an eventful UFC 217, with Canadian legend Georges St-Pierre completing a stunning comeback by beating Michael Bisping by submission to claim the middleweight title after a four-year absence from the octagon.
The 36-year-old choked reigning champion Bisping into unconsciousness at the end of the third round to claim the belt after a thrilling back-and-forth battle on a night when three UFC titles changed hands in New York's Madison Square Garden.
Earlier in the evening, challenger Rose Namajunas pulled off a stunning victory to wrest the women's strawweight crown from Joanna Jedrzejczyk, felling the Pole with a thundering left hand to finish the fight by knockout 3:03 into the first round.