Expect Watford to line up in their usual 4-2-3-1, with Bachmann in goal behind a back four of Ngakia, Pollock, Keben, and Bola. The double pivot of Bove and Kyprianou will sit deep, trying to shield the defence and spring attacks through Nabizada in the number ten role. Chikovani and Kjerrumgaard will look to stretch the play wide, with Bravo leading the line. It is a shape built on solidity first, but it can be passive. Watford will likely sit in a mid-block, invite pressure, and try to hit on the break. That is a risky game against a side with Southampton's quality.

Southampton, predicted to stick with their 4-3-3, will dominate the ball. Their midfield trio will control the tempo, with the wide forwards looking to isolate Watford's full-backs and create overloads in the half-spaces. The Saints are comfortable in possession and have the technical ability to knife through a low block. They will not panic if Watford sit deep; they will just keep the ball, move it quickly, and wait for the gaps to appear. The key battle will be in midfield. If Watford's double pivot can disrupt Southampton's rhythm, they have a chance. But if the Saints get their passing going, they will create chances all afternoon. Set pieces could also be a factor, with both sides having aerial threats, but Southampton's delivery and movement give them the edge.