The eternal optimist within just thinks/hopes that he'd do well if given an extended run of games, something that he hasn't yet had in a blue shirt despite his four year tenure at Everton. May just be clutching at straws though, who knows..
I know he doesn't fit the transfer model we have now adopted, but (29 y/o) Nzonzi seems to fit the bill through the middle, being capable of putting his foot in if needed, remarkably agile and quick for such a tall player, as well as possessing a fantastic touch and range of passing. He and Sigurdsson as an axis ahead of Gueye (needed solely to shield the defence) would possess a better balance than we currently have, in my opinion anyway.