The Saints' midfield general is becoming an integral part of Claude Puel's setup.
Both these sides fell to defeats in grand European venues in mid-week and will be hoping for improvements on Sunday.
Unless you rank high on the scale of lunacy, you're never sure what goes on in dressing rooms. Though Romeu reveals some intriguing info about Puel.
For the lucky few who have the privilege of learning from the master, most reap the rewards throughout their careers. Oriol Romeu is just one of many.
Southampton are unbeaten in six under Claude Puel and the all the signs are there for another good season at St. Mary's.
The Saints have shown some promising form of late, but are in the early stages of the Claude Puel era.
Reigning champions Leicester City hosted Southampton but the midweek action in Europe seemed to hamper both sides, much to Foxes fans' frustration.
Southampton have recorded four successive victories in all competitions and a win over Hapoel Be’er Sheva will put them in a strong position to qualify from their Europa League group.
Saints stars including Nathan Redmond, Charlie Austin and Virgil van Dijk all took to social media after the 3-0 victory at West Ham United.
Southampton easily rolled over West Ham in an impressive away performance.