Words: James Wong; Image: Andrew Stevenson Most coaches would be happy to be sitting third on the Dewar Shield ladder after four rounds but self-described “grumpy old Rugby coach” Tom Navanua feels his Box Hill side are yet to show their full potential. “Our position on the ladder isn't a true reflection of how the team is playing. “We haven't really been playing how we've proposed to play. We haven't stuck to the whole game plan; it's been individual brilliance that has pulled us through.” After a close loss to Melbourne in their first game, the Broncos have reeled off consecutive wins against Southern Districts and Power House thanks to an improving defence, said Navanua. “The defence has worked, slowly. We were behind in the first two games but in the last game we had a glimpse of what we can become if we can be consistent and clinical in how we apply ourselves.” Navanua is also hoping the team’s set piece will improve after showing promise on occasion this y