Each week, this column provides you with movement in the RosterWatch Dynasty Rankings. We highlight players who have gained or lost value recently.Tracking these player value trends assists dynasty players in identifying opportunities to improve their rosters, as the landscape of the market is ever-changing.This column was written by Alan Seslowsky (@alanseslowksy) and provided to RotoBaller by our friends atRosterWatch. Josh Jacobs, Las Vegas RaidersAge: 23Movement: FallingPrevious Rank: ...