Onana Doucoure could be a first choice midfield pairing in the 523 formation with both being able to get up and down. Gueye as experienced cover and to start whilst Onana gets bedded in.
Might work as I can’t see either being particularly good enough on the ball to play in a three but if the full backs and wide players are creating then maybe having two powerful runners in midfield might work.
We’ve certainly lacked pace and power in there for a long time. Whenever Doucoure is missing you can drive a coach through our midfield.
I see a problem with the three up top mate.