Arsenal are hoping they have found the final piece that will complete the jigsaw puzzle of their midfield.
Martin Zubimendi, considered one of the world's best defensive midfielders, has finally completed his £60m move from Real Sociedad - a deal widely expected since January.
"He has a gifted mind," Spanish journalist Roberto Ramajo told BBC Sport. "He sees things on the pitch that others can't.
"Zubimendi isn't a 10 (out of 10) at anything, but he's an eight at everything. In the Premier League, he can develop into a 10 at everything.