By Nick Kelland; Photo - Karen Watson They say a week is a long time in sport. And by they, I mean it is one of the most commonly used clichés in global sporting circles.  However, clichés generally speak some truth, and for Warringah’s head coach Mark Gerrard, there’s no doubt he’ll be hoping that the fortunes are reversed for his side when they take on Eastern Suburbs in a tantalising round two match-up at Woollahra Oval. In round one, the Rats went down 35-14 to traditional rivals Northern Suburbs. On the other side of the coin, the bolter of recent seasons in Easts, became the bolted, as they put rival sides firmly on notice, courtesy of a 49-28 win over last year's premiers Sydney University. Gerrard says it’s a round two match-up that his side is very much relishing the prospect of taking on.  “Our mind-set and our collective headspace is really good heading into the weekend.” “Realistically, losing first round wasn’t the result we were af