2. David Pocock
The back-rower has not given any details about his future, and at 31, he may still have more miles in the clock. However, this was the final season of his contract with the Panasonic Wild Knights in Japan, and given the stress his body has been put under throughout his career, no one would blame the flanker for hanging up his boots early – but Premiership sides should certainly enquire. Wasps have approached him previously.