3. Most multi-touchdown games through first two seasons
This one is a big of a low-hanging fruit as it is inevitable that Justin Herbert breaks this record. He broke the record for the most multi-touchdown games as a rookie and put himself so far ahead of anyone else that he is already really close to setting the pace for two years as well.
Justin Herbert threw for two or more touchdowns in 10 of his 15 starts last season. The NFL record for the most multi-touchdown games through a quarterback’s first two seasons is 15, held by Dan Marino. Patrick Mahomes is ironically second despite only starting one game his rookie season with 14.
Herbert needs just five multi-touchdown games to tie Marino and six to beat him. Quite frankly, if he only finished with six multi-touchdown games then it would feel like a letdown of a season. Herbert should ideally cross double digits once more and could probably climb any higher. Par for the course is 10, though.
That puts Herbert five above Marino and establishes him essentially in his own realm on the list.
It is also important to note that Herbert had six three-touchdown games last season as well. The most three-touchdown games through the first two seasons is 10, held by Mahomes and Marino. Herbert just has to repeat his efforts from last season while having two more games to do so in order to pass Mahomes and Marino.
I would bet that Herbert has eight three-touchdown games in 2021, putting him at 14 through his first two seasons. Yet again far above the competition.