Complex sentence: In 2000--2001 an 8-team play-off (the Zurich Championship) was introduced, but the team finishing top of the table at the end of the regular season was still considered English champions ("Zurich Premiership title").
Split into simpler sentences: In 2000--2001 an 8-team play-off (the Zurich Championship) was introduced. However, the team finishing top of the table at the end of the regular season was still considered English champions ("Zurich Premiership title").