Assertion: trophy | /r/HasProperty | introduced
Facets:
Source sentences:
text: Factoring all NHL seasons prior to the introduction of the Presidents' Trophy, the Montreal Canadiens have finished first overall 21 times, the most times in League history (although this was most recently accomplished in 1977–78, before the Trophy was introduced; since its inception, the Canadiens have been Presidents' runners-up three times, in 1987–88, 1988–89, and 2014–15).