His knee injury from last season could mean he's back around a year later, perhaps around Weeks 7-10, as Niners head coach Kyle Shanahan discussed in training camp. The new Los Angeles Chargers running back suffered an eye injury in a July 4th fireworks incident. No word about exactly when he's back, but seems like Week 1 is realistic.

Jacory Croskey-Merritt, who prefers to be called "Bill," is officially making fantasy managers take notice after an 11-carry, 46-yard, performance in Week 2 of the preseason against the Cincinnati Bengals, showcasing vision, patience, and breakaway speed as seen on a 27-yard touchdown run.

Every year, fantasy football experts and managers alike devote countless hours to dissecting ambiguous backfields. These unclear situations are risky, but they are also one of the best places to find cheap upside in your fantasy drafts.