Is Kerryon Johnson already a top-10 running back?

Photo by Gregory Shamus/Getty ImagesKerryon Johnson’s rookie season was undeniably impressive. The Detroit Lions’ 2018 second-round pick almost immediately put to bed Detroit’s awful 100-yard rusher drought, and did it again a few weeks later. His 5.43 yards per carry is the 19th highest average for a rookie in NFL history. Recently, only Alvin Kamara (6.07), Thomas Rawls (5.65) and Andre Ellington (5.53) have bested him.

Johnson’s rookie year was cut short due to an injury, eliminating him from rookie of the year consideration—though it would’ve been hard to convince voters to stray from Saquon Barkley anyways.

But entering his second year, where does Johnson stand among his cohorts? Former…