Arsenal take on Liverpool at the Emirates Stadium this afternoon...
The 27-year-old centre-back started Saturday's 3-0 home win over Rotherham United just a day after completing his move from West Bromwich Albion.
The forward joined in a £20 million move from Swansea City earlier this week.
Everton failed to win in the Premier League on Saturday.
Spurs kicked off their campaign with a trip to Everton on Saturday. How did their players start the season against Koeman's new side?
Despite a late scare from Jermain Defoe, Pep Guardiola would have been encouraged by his new side's performance.
The 20-year-old American forward made his first start for the club in Saturday's 2-1 loss at Manchester City.
On 14 August 1996, a 20-year-old midfielder called Patrick Vieira signed for Arsenal from AC Milan for £3.5 million.
Sunderland went down 2-1 at Eastlands on Saturday night.
Leeds United lost 2-1 to Gary Rowett's side at Elland Road yesterday.
France are away, just about and not without a stutter and the odd clanging false step. On a steamy, occasionally fraught night at the Stade de France Euro 2016 kicked off with a gathering roar as the tournament favourites grappled their way to a 2-1 win against a gnarly and capable Romania.
Marseille are the subject of a big money takeover.
The South Korean would be difficult to sign, but is the type of player Leeds United must consider.