If you mean in the same year, then Bolton, Blackburn and Fulham were all promoted in 2001 and all have not been relegated since (as of 2011)
They were relegated this year.
No they have not been relegated since 1914
Arsenal have never been relegated from the league in their history.
No, Arsenal have never been relegated from the epl since 1992
No, Real Madrid have never been relegated from La Liga. In fact Real Madrid C.F. , F.C. Barcelona and Athletic Bilbao are the only teams that have never been relegated.
No. There are about 10 teams that have never been relegated, and Liverpool are one of them. That's not actually true they were relegated in the 1950,s
Amazingly, Arsenal is the only major team in the world to not get relegated in any forms. This fact is not known by many and people will thought that Manchester United has not been relegated before. However, Manchester has been relegated in the 75/76 season!
F.C Barcelona have never been relegated.
No. Arsenal Football Club have never been relegated from the Premier League.
Tottenham have ever been relegated. This happened in 1977 when Keith Burkinshaw took over as manager but he was able to bounce them back to the league.
Christiano Ronaldo joined Manchester United from Sporting Lisbon , and as Manchester have never been relegated for many years so neither has Ronaldo been relegated.