Gomes-Sigurdsson is a poor midfield pairing with or without three CBs. I'm not convinced that either of them have any idea where their teammates are most times they receive the ball, which is why you see both players play the ball right back where it came from so much (even when they're under no pressure). It's a waste because you do get some moments of real quality when they can be bothered to turn and try something. They should both be embarrassed at how often Gana and the CBs are forced to try to make something happen during build-ups.
For this match, I'd like to see Mina at CB (needs games, don't care if he's a risk to get sent off), Baines at LB (best passer at the club, waning athleticism won't be exposed in this one), and Gana-Davies-Bernard in the middle (Davies to bring some extra grit, Bernard to cause problems in the space between their midfield and defense).