Both playmakers have become integral parts of their team, but who comes out on top?
David de Gea, Joe Hart & Hugo Lloris make up three of the top five goalkeepers this season
Juan Mata, Santi Cazorla & Yaya Toure have all enjoyed fine seasons for their clubs
Five players Chelsea will welcome back after successful loan spells away from Stamford Bridge
Rio Ferdinand, Jamie Carragher & John Terry feature in the top five centre-back pairings
Chelsea feature: GMF picks five of the best candidates for the Stamford Bridge job