the NHL instituted a rule change allowing teams to don a third jersey
Some jerseys strike fear in an opponent. Others, at the very least, garner a healthy amount of respect. Both of these ideals were derailed (or shot out of a cannon, into the sun) by having a goalie-gear-clad cartoon duck busting through the front of a jersey.
This pyjamas-masquerading-as-a-hockey-sweater look came about in 1995 when the NHL instituted a rule change allowing teams to don a third jersey.
Over the years we've seen the highs (Lady Liberty lighting the way for the Rangers), but an overwhelming share of lows (highlighted by the aforementioned anthropomorphic duck breaking out of the front of Anaheim players' chests).