Key Highlights
- McCarthy has had an up-and-down first full season of NFL action. AdvertisementAdvertisementAdvertisementAt some points, he's flashed the kind of first-round talent the Minnesota Vikings are hopeful to see consistently from their potential franchise quarterback.
- But at others, he's either been off the field due to injury, or struggling to manage the Vikings' offense. McCarthy, however, recently shared that he has a kind of alter ego he created for himself on game days: "Nine." The quarterback said he loves "feeding" that game day version of himself — but he's also gotten some fan criticism for his alter ego during to his struggles in 2025. Here's what to know about J. J.
- McCarthy's "Nine" nickname. MORE WEEK 15 NFL:NFL power rankings for Week 15NFL Week 15 picks, predictionsNFL Week 15 picks against the spreadAdvertisementAdvertisementAdvertisementWhat is J. J.
- McCarthy's nickname?J. J.
- McCarthy's nickname is "Nine," although it was a self-created name, not given to him originally by fans. In November, he shared that he views himself as having an alter ego during his football games — and that he had a name for it."I call him Nine," McCarthy said.