The philosophies of Thomas Tuchel and Ralph Hasenhuttl were heavily influenced by Ralf Rangnick and they go head to head on Saturday.
Manchester United matched the Premier League biggest win record by landing a 9-0 victory, with poor Southampton on the receiving end again.
Bukayo Saka came in for praise from Arsenal manager Mikel Arteta, who said the club are close to signing Martin Odegaard from Real Madrid.
Jurgen Klopp was unhappy with some Liverpool defending and refereeing as the champions lost at Southampton.
Southampton have confirmed Ralph Hasenhuttl can return to work on Friday, having been following self-isolation rules.
Southampton will not have manager Ralph Hasenhuttl in the dugout when they take on West Ham.
Che Adams and Stuart Armstrong were on target as Southampton beat Newcastle United to move above Liverpool at the top of the Premier League.
James Ward-Prowse will take Southampton's captain's armband from Pierre-Emile Hojbjerg as the Dane is keen to leave the Saints.
Penyerang Southampton, Shane Long, telah menandatangani kontrak baru selama dua tahun untuk kekal di St Mary's.
Following in the footsteps of manager Ralph Hasenhuttl, Shane Long has committed his future to Southampton.