Gerhart will get a look at fullback in 2015, NFL.com's Ian Rapoport reports. Gerhart is big and strong, but that doesn't mean he'll be an effective lead blocker. He also still figures to be in the mix for touches at running back, along with Denard Robinson, Storm Johnson and Bernard Pierce. The Jags clearly want to upgrade the position, and it won't be surprising if they use a high draft pick on a running back next month.