Jeff Beukeboom – Edmonton Oilers
In his 15 year NHL career, Jeff Beukeboom won three Stanley Cups and was regarded as a true hard-hitting defenceman. With the New York Rangers, he was easily a fan favorite known for his body-checks and unrelenting, fierce protection for his teammates. Beukeboom was well on his way to greatness until a sucker punch from Kings player Matt Johnson derailed his entire career. He did attempt to play on but was tormented with severe headaches, confusion, nausea, and memory loss. Beukeboom was subsequently diagnosed with post-concussion syndrome and forced into retirement.
Pat LaFontaine – New York Rangers
Over a span of 15 years, Pat LaFontaine dominated the ice, becoming just one of five players in the history of the NHL to skate for all three New York based teams. Then in 1997, LaFontaine suffered a concussion from a hit by Penguins enforcer Francois Leroux. He was diagnosed with post-concussion syndrome and doctors told him to retire immediately. However LaFontaine was incredibly stubborn, believing that he could still play, he switched over to the Rangers who had no reservations with his playing (despite his concussion issues). LaFontaine played just one final, productive season with the Rangers before sustaining yet another collision with a teammate which caused another concussion. After this, he retired his skates for good.