Lamar sits high above the rest in yards per carry, a testament to his ability to put Baltimore on his back when it needs him most. That’s exactly what he did in Week 5 against the Bengals — and his one-of-a-kind mobility was a factor in Sunday’s tight win over the Browns. From a darker angle, Jackson’s turnovers were a factor, too, in losses to the Bills and Giants, and it’s fair to wonder about the ceiling of an offense that saw Lamar complete just nine passes against Cleveland’s shaky defense.