Former Celtic defender John Hughes is excited by the return of Cameron Carter-Vickers and reckons getting him fully fit will be a key factor in the Scottish Premiership title race. Carter-Vickers has been plagued by injury and fitness problems since undergoing surgery last summer. Subsequent muscle issues have taken their toll on his playing time. The United States international has only managed to make 19 starts this season, but now has the chance to play a pivotal role in delivering silverware for the Bhoys down the final stretch. He’s overcome his latest injury scare after getting good news…