The Argentina midfielder reunites with his former Chelsea boss in a statement move that capped City’s midfield overhaul. City also added Iliman Ndiaye from Everton for a fee that could rise to £65 million.
Tottenham were busy across London, completing a double deal with Chelsea. Mykhailo Mudryk joined on a season-long loan with a £75 million option to buy, reuniting with Roberto De Zerbi, while Tosin Adarabioyo arrived permanently.
Other notable deadline day activity included Robert Sanchez moving on loan from Chelsea to Como, Malick Fofana joining Sunderland from Lyon for approximately £31 million, and several high-profile loans and smaller permanent switches across the Premier League and Europe.