Rangers have been handed a Europa League blow after Real Betis star William Carvalho declared himself fit for the clash on Thursday evening, according to a report. The Light Blues and their La Liga opponents turn full circle this week as they get set to close out Group C in dramatic circumstances. Rangers vs Real Betis was the opening encounter of the group back in September and former boss Michael Beale got off to a flier in the competition. Abdallah Sima was the hero that day as his second-half strike was enough to secure a superb 1-0 victory. Things went a bit sour for Beale and for Rangers…