Answer
Olympiacos, a Greek football club, fired Zico as their coach in January 2010. Zico had been the coach of Olympiacos since 2008. He led the team to the Greek Superleague title in 2009. However, the team struggled in the 2009-10 season and was eliminated from the UEFA Champions League. As a result, Olympiacos decided to fire Zico and replace him with Ernesto Valverde.