Just days out from the Wallabies departure to the US, en route to the Rugby World Cup, winger Rob Horne said he still has no idea what his chances are of earning a spot in Michael Cheika’s starting XV in the months to come. Horne is one of five potential wingers named in the Wallabies 31-man squad, with Adam Ashley-Cooper, Drew Mitchell, Henry Speight and Joe Tomane all set to do battle for two starting positions. In fact, Horne admitted he was relieved just to earn a spot in the touring squad. “It’s been an incredible couple of days since getting the call, we’re back in training and there is a good feel around the boys, we all want to work hard and get ready for a game in the US which we are all very excited about,” he said after training in Sydney earlier this week. Horne started on the wing against the Springboks in the opening test of 2015, but missed the remaining three matches of the Rugby Championship with a calf injury. The 26-year-old has been back in training f