By MARK CASHMAN Warringah have got some great return from Scottish imports over the years and the talk is they have jagged another good one in backrower Mungo Mason. It all started more than 20 years ago when the current Scotland coach Gregor Townsend called the shots at flyhalf for the Rats in 1993 and 1995 on a guest stint and continued in recent times with their lock and sometime backrower Sam Thomson. The 24-year-old Mason was born in Carluke, just outside of Glasgow and moved to New Zealand with his family when he was two. Mason attended Tauranga Boys’ College and was captain of the school’s First XV rugby side and played for the New Zealand Schools Barbarian team in 2013. All things being equal in a Covid-19 free world Mason would have been playing for the Major League Rugby side in Washington but the reality of the situation has given him the chance to broaden his rugby playing experience. He will be joined by a number of other Scottish-tinged players in so