Leeds United won against Sheffield Wednesday in the Championship on Saturday.
The Danish midfielder believes Southampton could have done more against Manchester United
Liverpool lost 2-0 at Burnley.
Hull City defeated Swansea City 2-0 at the Liberty Stadium.
Daniel Pudil and Jack Hunt did not impress v Leeds.
Stoke City lost 4-1 to Pep Guardiola's Manchester City.
The defender failed to make a single league appearance in a year at Chelsea before moving to the Stadium of Light this summer.
The Northern Ireland winger was not injured for the game.
The Blues are currently without a right-back after Seamus Coleman picked up an injury.
Derby County host Aston Villa in the Championship this evening.
U.S. authorities issued subpoenas to Goldman Sachs for documents related to the bank's dealings with troubled Malaysia state wealth fund 1MDB, The Wall Street Journal reported, citing a person familiar with the matter.
Analysts are scrutinising the potential hit Royal Bank of Scotland and Barclays could take to their financial strength at times of market turbulence following the publication of EU-wide health checks on the financial sector.
Another bumper week of UK banking earnings is expected to bring a fresh dose of bad news, with profits expected to slide at HSBC and a loss forecast at RBS.