Crystal Palace F.C. is a sports team.
Crystal Palace F.C. . Palace were one of the original founding members of the Premier League . The English Football League play-offs are an annual series of football matches to determine the final promotion places within each division of the English Football League . The Premier League is an English professional league for men 's association football clubs . Contested by 20 clubs , it operates on a system of promotion and relegation with the English Football League ( EFL ; known as `` The Football League '' before 2016 -- 17 ) .