Dont think its up to the fans to identify players everytime they want to point out a position we lack in.
However we could look at contracted players who arent getting much game time currently. Im thinking Caravella, Jonny McKain, Jimmy Jeggo, Mitch Cooper etc.
All could play in the CM position. Not saying they would be the solution necessarily. But there are probably plenty more guys like this who arent being played as much as they would like.
Also, another option could be guys who are currently in their offseason - like matty mckay, or dan keat. Theres some suggestions