Final answer:
Darryl Sittler achieved the record of 10 points in one NHL game against the Boston Bruins, where he scored 6 goals and 4 assists.
Step-by-step explanation:
Darryl Sittler set a remarkable record in the National Hockey League (NHL) by scoring 10 points in a single game. He achieved this feat against the Boston Bruins on February 7, 1976, while playing for the Toronto Maple Leafs. This historic performance consists of 6 goals and 4 assists, making it one of the most memorable moments in hockey history.