Kerryon Johnson’s impressive 158-yard outing on the ground in the Lions’ 32-21 win over Miami marked the second time the rookie topped 100 yards rushing. It also elevated Johnson into rarefied Lions air.

Johnson now has 444 rushing yards in his first six games. The only Lions RB to ever have more is Billy Sims.

That’s right. Johnson has more rushing yards through his first six games than Barry Sanders did. Sanders managed 413 in his first six games back in 1989, a total artificially lowered by a five-carry, 1-yard effort in his fourth game.

Johnson’s total doesn’t look so high compared to Sims, who averaged nearly 110 yards a game in his first six games back in 1980. That’s how good Sims was before the knee injuries…