Top 10 European football clubs that have never been relegated

#15 Olympiakos

In 2014–15 season, Olympiacos won their fifth consecutive Greek Championship and reached a historic milestone, as they became the only football club in the world to have won a series of five or more consecutive championships for five times in their history, a world record that was praised by FIFA in its congratulatory letter to the club.Olympiacos holds even more records in Greek football history; they are the only club to have won five consecutive Greek Cups from 1957 to 1961 and the only club to have won six Greek League titles undefeated (1937–1938, 1948, 1951, 1954–1955). They are also one of only three clubs to have never been relegated from the top flight of Greek football. As a result of the team’s 40th League title in the 2012–13 season, Olympiacos earned the fourth star above their crest, each star representing 10 League titles of the record 43 they have currently amassed.