Conor McGregor takes on a fitness challenge in a lab during early UFC days

Conor McGregor goes under testing in a lab during the early days of his UFC career...

Hit 'Subscribe' above to ensure you never miss a video from the BT Sport YouTube channel.

[JuniorB]

“That bike had a good last fight, a good last fight” - Nate Diaz

[terrytibbs]

Love him or hate him. He is an athlete!!!

[thejokewasfun]

Thay say khabib remembers the smell of everyones jocks

[azizcangulec]

Tony Ferguson is the type of guy to ankle pick the lab test

[glentaker]

so what's its avg and maximum heart rate?

[justinfagan]

Nate took this test as a warm up for a triathlon

[lucad]

This guy looks like he has some potential! Let’s hope he makes something out of himself in the UFC!

[gabbagabbahey]

Early UFC days? Well they messed up as this guy's cardio was laughable

[imrannazeer]

That vedio clip is 4-5yrs old. just take look on his tattoos.

[madmaori]

He tapped once he sat on the bike 😂😂😂 still love the Irish leprechaun 🍀

[wc]

Diaz brothers and ferg need to take this

[billzthedon]

Lol his face on the bike haha mamamamama

[callmerokaleta]

Conor “yeah, yeah, yeah, yeahh” mcgregor

[wordandcharacter]

I hate Conor but those are some very quality burpees

[AbdullahSOTK]

Put Khabib there now. World class talent.

[HEDGEHOGTV]

The fitness guy was so cringey, reckon he was sniffing the bike seat after Connor left 🤣

[georgestamatelis]

tony ferguson would destroy that machine

[davidrodrigues]

Only 10 pushups? Im 85 kilos and i can do 18 resp... and im not a pro.

[priyankachathankunnanpurak]

R u remember 'khabib' punches