Las Vegas Raiders running back Josh Jacobs (quadriceps) was unable to practice at all this week with a quad injury he picked up in the Week 14 loss to the Minnesota Vikings and is listed as questionable to play Thursday night against the Los Angeles Chargers. NFL Network's Ian Rapoport is saying Jacobs' status for Week 15 is very much in doubt. If he's at risk of further injury by play, he will be inactive on a short week. Fantasy managers will need to check back for official inactives 90 ...