Ahead of the new NFL season star names including Tyrann Mathieu, Brandon Williams and Kenny Stills try their hand at 'proper football' in a one-off match in London. It's the London Allstars vs Too Legit To Quit - who will come out on top? Subscribe to the official BBC Sport YouTube channel now so you never miss out on our best videos, while over at bbc.co.uk/sport you can get all the best live sport, highlights and the latest news. Please subscribe HERE http://bit.ly/1sFodyu BBC Sport: http://www.bbc.co.uk/sport Facebook: https://www.facebook.com/BBCSport/ Twitter: https://twitter.com/BBCSport Instagram: https://www.instagram.com/bbcsport/