By NICK VERDIER
JOHN Kingston might think Joe Marchant has played too much rugby this season, but the young Harlequins centre is desperate for two more games to cap his sensational breakthrough year.
Marchant, 20, showed signs of his precocious talent towards the end of last season, with eight first team appearances before playing a starring role with England U20s as they won the Junior World Championship.
He kicked off this season with a try-scoring display from outside centre against Bristol at Twickenham and has never looked back, ending the campaign with an impressive 28 games and 1,949...