Khabib Nurmagomedov wants UFC president Dana White to arrange a fight for him at Barcelona's Camp Nou stadium after attending PSG's win over the Catalans on Tuesday.
The retired Russian MMA fighter was a guest a the 100,000-seater venue as Mauricio Pochettino's PSG claimed a comfortable Champions League last-16 first-leg victory thanks to Kylian Mbappe's phenomenal hat-trick.
Khabib, who is known to be a fan of Barcelona's Spanish rivals Real Madrid, took a video of himself in the Camp Nou stands and called out White over a potential contest.
The 32-year-old said in an Instagram live session: 'Hey Dana you here? Let's make fight here 100,000 people, let's go!'
After the Champions League tie, Khabib received signed shirts from hat-trick hero Kylian Mbappe and PSG goalkeeper Keylor Navas, who both played 90 minutes on Tuesday night.
Barcelona took the lead through Lionel Messi's penalty but Mbappe's hat-trick and Moise Kean's header turned the tie on its head.
Khabib has not fought since retiring from MMA in October following his UFC 254 victory over Justin Gaethje via a second round technical submission.
The Russian reveals earlier this month that a February meeting with UFC president White is being planned but the UFC star also revealed he wants to pursue a career in football.
Khabib revealed last week he has contacted PSG president Nasser Al-Khelaifi over moving towards his 'childhood dream' while he has also discussed a move into football with Juventus forward Cristiano Ronaldo.
He told Match TV last week: 'To play football on a professional level is a childhood dream. Of course, I have such a wish. Football is the king of sports after all.
'Who haven't I discussed this with! I've spoken even with the UEFA president Aleskandr Ceferin, with the owner of PSG, yes and even with Cristiano Ronaldo.'