The 33-year-old goalkeeper, who was part of Portugal’s Euro 2016-winning squad, has signed a one-year contract with Chelsea after spending the past two seasons with Dinamo Zagreb.
Along with Emre Can, Divock Origi picked up an injury during Liverpool's midweek cup tie, and is a doubt heading into Week 3 against Tottenham.
Tottenham have opened talks with Crystal Palace about a potential transfer of Wifried Zaha, who has made it known he wants to leave the Eagles.
Max Gradel and defender Marc Wilson both scored as Bournemouth narrowly overcame Morecambe in the League Cup.
A half-strength Hull overcame Exeter City 3-1 after falling behind early in the League Cup.
Pep Guardiola made a raft of changes for the Champions League home tie against Steaua Bucharest following their 5-0 first leg victory in Romania.
Aitor Karanka could be left without a full-back as Middlesbrough lose a Friend at Fulham in the League Cup.
Jordan Pickford could line up against Southampton this weekend after Vito Mannone was rushed to hospital for further tests following a training ground injury.
Antonio Conte is sweating on the fitness of Ola Aina even though the young defender is yet to play a single Premier League minute.
Following a specialist consultation, West Ham have confirmed that Andre Ayew does not require surgery to repair a thigh muscle tear.
The League Cup was supposed to provide Emre Can with some much-needed game time as he steadily returns to full fitness following his European Championship exertions.
Bundesliga side Wolfsburg have approached Tottenham about the potential signing of South Korean international Heung-Min Son.
Hull City have approached Tottenham about the possible transfer of midfielder Ryan Mason.
The 27-year-old defender has joined Championship side Aston Villa on a three-year contract.
Newcastle United look set to secure the transfer of DeAndre Yedlin from Tottenham, with the defender having arrived recently to Tyneside ahead of the reported move.