Answer
Osasuna signed Anthony Annan in 2012. Annan, a Ghanaian midfielder, joined the Spanish club after spending three seasons with Schalke 04 in Germany. He made his debut for Osasuna in August 2012 and quickly became a regular starter, contributing to the team's success in La Liga. Annan's impressive performances earned him recognition as one of the top midfielders in the Spanish league.