The professional echelons of English league football are organised as four hierarchical divisions (Premier League, Championship I and league 2 respectively) which, amongst other things, are linked through a promotion and relegation system. The best preforming teams from the lower division gain entry into the higher divisions and the worst performing teams in the divisions are demoted to the lower divisions. In the highest division, the English Premier League, the best performing teams, often the top four, gain into a less lucrative European club competition, the Europa League (formerly the UEFA Cup). The worst performing teams in the lowest of the four divisions normally face demotion out of the professional ranks of English club football and are replaced by the best teams from semi-professional feeder leagues