Thomas Tuchels gets into a heated argument after the final whistle of PSG's Champions League semi-final with the RB Leipzig fitness coach. 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 ➡️ http://www.youtube.com/c/btsportboxing Twitter: http://twitter.com/btsport Facebook: http://www.facebook.com/btsport Instagram:http://instagram.com/btsport Website: http://sport.bt.com