Kilwinning Rangers assistant manager Gavin Friels reckons facing high-flying Pollok tomorrow will be a good barometer for his side’s Premier Division title credentials.The Buffs head to Newlandsfield in fourth place just one point behind the hosts in third and looking to close the gap on leaders Auchinleck Talbot who are on senior Scottish Cup duty.And Friels said: “It’s probably the biggest game so far, especially away from home.“Darvel was a big game but that was early in the season when you