By David Craven In-form Warrington star Matt Dufty says “scary” Sam Burgess has brought the best out of him. The Aussie full-back is in brilliant nick as Wolves bid to dump St Helens out of the Challenge Cup quarter-finals on Sunday. He’s made more metres (1,231) and carries (141) than anyone in the Super League. But electric Dufty has also weighed in with seven tries and seven assists. The ex-St George Illawarra ace, 28, said: “I’ve been really working on staying involved for 80 minutes. “Last year, I was in games but then faded out of them. I’m trying to be in for 80 minutes, taking those pl…