The Spanish midfielder has long been linked to the London club and now it is official that the recruitment is completed.
"This is a big moment in my career. It's the move I've been looking for, the one I wanted to make. It's of course a big change, but I'm ready to get started", he says in a statement on the club's website.
Martin Zubimendi, 26, scored ten goals and nine assists in a total of 236 matches for Real Sociedad. He also won the European Championship gold with Spain in 2024.
