Manchester City are closing in on landing defender Manuel Akanji from Borussia Dortmund to complete a potential fifth summer signing.
The centre-back has emerged as a target for the Premier League champions and their late move comes after he was linked with Arsenal earlier in the transfer window.
The clubs are in talks over a £17.5m move for the 27-year-old who is in the final year of his contract at Signal Iduna Park, and talks between the clubs are thought to be progressing well.
Pep Guardiola refused to rule out City making further signings in the window on Tuesday when asked if City were still willing to do business, replying with: 'I don't know what will happen.