George Gregan's halfback masterclass with Justin Marshall

George Gregan is widely regarded as one of the best nines to ever play the game of rugby and in this informative clip for SKY SPORT NZ he gives some valuable pointers to anyone wanting to improve their game. There's an amusing part at the start of the show that shows Justin Marshall skip past Gregan in what can only be described as shockingly bad positioning and defending, before other clips from the 1999 World Cup, and Aaron Smith and TJ Perenara showing how to attack. Gregan held the Test appearances record with 139 before Brian O'Driscoll overtook him last year. He is now in third place ov…