"Rising Stars of the NHL: A Look at the Calder Memorial Trophy Winners The National Hockey League's Calder Memorial Trophy has been awarded annually since 1947 to the most outstanding rookie in the league. From Auston Matthews' record-breaking season in 2017 to Connor McDavid's impressive debut in 2015, the Calder Trophy has recognized the best of the best in the NHL's rookie class. This year's winner continues a long tradition of excellence, showcasing the next generation of hockey stars. Who will be crowned the top rookie and join the ranks of these NHL legends?"