Wallabies begin Rugby Championship seeking balance ahead of World Cup | Bret Harris

Michael Cheika needs a morale-boosting win in South Africa but he must also keep some cards close to his chest with Japan on the horizonMichael Cheika will reveal the biggest secret of his coaching career when the Wallabies play South Africa in their opening Test of the Rugby Championship in Johannesburg on Saturday (Sunday morning AEST). But will he reveal all?At the start of the year the coach announced his intention to introduce a new style of attack to the Wallabies, saying the team would look very different. You would hope so; the Wallabies won only four of 13 Tests last year, their worst…