Donald 'Cowboy' Cerrone and Khabib Nurmagomedov are the definition of no-nonsense fighters.
The two lightweight fighters took to Twitter to arrange a fight with each other for UFC 187 in May, only adding Dana White as a mention.
The two aren't just going to sit around and wait for their title shots to come but instead are putting it on the line to decide who gets the first shot.
Men on a mission
Both fighters are currently in a position where many fans would say they deserve the shot, especially Cerrone who has won in his last seven fights in a row.
Among those he's beat include former UFC Lightweight champion, Benson Henderson at last weekend's UFC Fight Night 59 and former Bellator Lightweight champion, Eddie Alvarez at 178.
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Nurmagomedov on the other hand is 22-0 overall in MMA and 6-0 in the UFC and his outstanding wrestling ability has left the UFC struggling to find opponents for him.
That's where Cerrone stepped in.
After his fight with Henderson, he called out the Dagestani fighter and Nurmagomedov replied straight away with the fight offer, which Cerrone jumped on.
UFC left to just make the deal
With their short Twitter exchange, Nurmagomedov did nothing more than mention Dana White and the Fertita brothers, who will be left drawing up the contracts.
It's a fight that the UFC had initially signed for UFC 178, but Nurmagomedov suffered a knee injury minutes after signing the deal, which has left him sidelined.
Cerrone-Alvarez was made instead but a showdown between Nurmagomedov and Cerrone was always in the minds of the UFC and fans alike.
The current UFC Lightweight champ, Anthony Pettis is set to fight Rafael dos Anjos in March at UFC 185 and that window of time has lead to the perfect opportunity to make this fight.
Whether it's Pettis or dos Anjos who steps out of UFC 185 as champion, their attention will be drawn to this fight as they'll be looking at one of the two men they'll be expected to face afterwards.