Final answer:
Jaromir Jagr is the player who has NOT scored 70 or more goals in a single NHL season, with his career-best being 62 goals in a season.
Step-by-step explanation:
The player who has NOT scored 70 or more goals in a single NHL season among the options provided is d) Jaromir Jagr. Alexander Ovechkin, Steven Stamkos, and Brett Hull have all had incredible goal-scoring seasons in the NHL, but it is Jaromir Jagr who has not reached the 70-goal milestone in any single season during his career. Jagr's highest-scoring season was 1995-96, where he netted 62 goals. On the other hand, Brett Hull surpassed the 70-goal mark three times, Steven Stamkos hit 60 goals in the 2011-2012 season, and while Alexander Ovechkin is one of the greatest goal scorers in NHL history, he has not reached 70 goals in a season; his highest being 65 goals in the 2007-2008 season.