Martin Bayfield is joined by Ben Kay and Lawrence Dallaglio, as well as guest and former England centre Mike Tindall. In this week's pitch demo the team look at the difference between the drift and blitz defence. Subscribe: http://bit.ly/17YTeL5 Twitter: http://twitter.com/BTSport Facebook: http://www.facebook.com/BTSportUK Instagram:http://instagram.com/btsportofficial Website: http://sport.bt.com/