Quarterback: Blaine Gabbert, Colin Kaepernick, Jeff Driskel.
Prediction: Each quarterback will start at least three games next season.
Running back: Carlos Hyde, Shaun Draughn, Kelvin Taylor.
Prediction: DuJuan Harris will get cut because he has bad hands.
Tight end: Garrett Celek, Vance McDonald.
Prediction: Celek will start because he’s better than McDonald at catching passes in traffic.
Move tight end: Bruce Miller, Vance McDonald.
Prediction: Miller will start because he’s one of the best players on the offense and McDonald is just a guy.