Champions Cup final moved to mid-May next season due to unsold tickets

• A crowd of 50,000 is expected for Clermont v Toulon at Twickenham• Challenge Cup winners will qualify for the Champions Cup next season• European Champions Cup organisers fear half-empty Twickenham finalTens of thousands of unsold tickets for Saturday’s European Champions Cup showpiece at Twickenham between Toulon and Clermont Auvergne have helped persuade organisers to shift the final to the middle of May from next season.The final was traditionally held on the penultimate weekend of the season. But when the tournament was revamped last year it was moved to the beginning of May, before the …