Las Vegas Raiders running back Josh Jacobs (quadriceps) didn't practice on Wednesday and is considered questionable for Thursday's matchup with the Chargers. The 25-year-old had just 34 yards off 13 carries in the Week 13 loss to the Minnesota Vikings. Unfortunately, he injured his quad during the contest and didn't return. At any rate, the Raiders could certainly use Jacobs on the field, considering the team's struggles at the quarterback spot. But if he doesn't suit up, Zamir White and Ameer...