Vikings might’ve found exactly what they needed at the perfect time

Chicago Bears v Minnesota Vikings | Stephen Maturen/GettyImagesThe Minnesota Vikings may have been a little overzealous in their determination that second-year quarterback J.J. McCarthy is ready to be an NFL starter. That's not to say he won't eventually live up to his lofty draft pedigree, though it's a work in progress. However, the club was right to identify running back Jordan Mason as a priority addition this past offseason, which the numbers support.

Mason was an analytics darling in his first three seasons as a pro with the San Francisco 49ers, albeit in a change-of-pace role. Many expected the 26-year-old's efficiency to regress with an increased workload in Minnesota. Yet, a graphic…