Las Vegas Raiders running back Josh Jacobs (quadriceps) was held out of the team's first practice of the week on Thursday. The Raiders are optimistic that Jacobs will be able to return in Week 16 for a Christmas Day game against the division-rival Kansas City Chiefs on Monday, but it's not a great sign that Jacobs wasn't on the field on Thursday. The 25-year-old does have two more days to get back on the practice field, though. However, if he's a game-time decision, it will make things even ...