Everton to Southampton (Loan)
English forward Walcott, who became Southampton's youngest first-team player, has moved back home in an emotional move. "I had a few opportunities but as soon as Southampton came in, it's part of me and has made me into the player I am," Walcott said. "It's in my heart. I will probably cry, I bet, when I first play, and it means so much."
Fiorentina to Juventus (Loan)
Chiesa joined Juventus on a two-year loan deal at a total cost of 10 million euros and can become a permanent member for an additional 40 million euros if certain conditions are met. The versatile Italian, capped 19 times, is a right-winger but has played on the opposite flank, as a second striker and even as a wing-back in his short professional career.
Juventus to Bayern Munich (Loan)
30-year-old Diego Costa has rejoined Bundesliga champions Bayern Munichon a season-long loan deal, expressing a desire to win titles with the Bavarians again. The Brazilian winger previously played for the German side from 2015 to 2017 and won back-to-back league titles. The Brazilian will add depth to their wings, and has proven a capable deputy before.
Porto to Man United (15m euros)
Manchester United were hoping to strike gold in Portugal again, this time prizing away one of Porto's best players. The 27-year-old left-back completed a move for a fee that could rise up to 17 million euro. When he makes his United debut, he will become the eighth Brazilian to appear for the Red Devils and United will hope he can plug some holes in defence.
Manchester United (Free)
In another case that has been labelled a panic-buy, United signed 33-year-old free agent Edinson Cavani. The has not played football in eight months. To make matters worse, they have handed the Uruguayan the Old Trafford's famous No. 7 kit. It is a signing that is reminiscent of when Falcao was brought in only a few seasons ago. A big name, but little hope.
Atletico Madrid to Arsenal (50m euros)
Arsenal bought Thomas Partey to reinforce their midfield, the English club triggering his release clause just 32 minutes before the deadline.
The Ghanaian, 27, was eager to join Arsenal and show more of the offensive side of his game. Although he will continue to operate deep in Mikel Arteta's midfield, he will have far more creative licence.