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.

Visit and subscribe to our 'BT Sport Boxing' YouTube channel ➡️ btsportboxing

Twitter: Twitter: btsport
Facebook: Facebook: btsport
Instagram:Instagram: btsport
Website: http://sport.bt.com

• #sports
• #bt_sport
• #bt_sport_ufc
• #ufc
• #mma
• #ufc_249
• #ufc_news
• #ufc_highlights
• #conor_mcgregor
• #conor_mcgregor_training