It's never fun to see running backs put up big games and have multiple high-scoring efforts in fantasy football, only to see them inexplicably regress at some point in the season. If you have a player like this and you've made it this far in the playoffs, it can be confusing who to start.Fortunately, there are a lot of identifiable factors in production swings, so delving into them can help give us more insight into what will happen in the future. The best thing you can do each week this late in...