Final answer:
The question pertains to a historic event in NHL history, where Paul Coffey broke Bobby Orr's record for most goals by a defenseman in a single season, scoring 48 goals for the Edmonton Oilers in the 1985-86 season.
Step-by-step explanation:
The question is about a historical moment in the world of professional sports, specifically within the National Hockey League (NHL). Paul Coffey, playing for the Edmonton Oilers, set a new record for the most goals scored by a defenseman in a single NHL season by scoring 48 goals during the 1985-86 season. This achievement surpassed the previous record of 46 goals held by Bobby Orr. Coffey's record-breaking performance not only highlighted his incredible skill as a hockey player but also marked a significant event in the history of the sport.