I been on the 3 midfielders all summer.
37 yr old Milner
32 yr old Henderson - fading
31 yr old Thiago - 50% of games
28 yr old Fabinho - always available - asked to do too much often
27 yr old Naby (in Feb) - 65% of games and not always trusted
Jones
Elliott
Morton (not happening)
Definitely with you. Three new midfielders are needed going forward, especially if Jones and Elliot are to be part of the new midfield. I think the four of Hendo, Thiago, Fabinho and Naby, albeit one-paced, can be a title-winning foursome as when they are fit and on it, they complement each other well on the pitch - provided they stay fit. But they don't as a group.
Elliot and Jones are a bit of an odd fit for the above group I feel. If they are played as 8s alongside Fabinho or Hendo, that midfield would get overrun. To have Elliot and Jones function as 8s, you would need a Bissouma-type behind them, a mobile destroyer.