Any serious DFS player knows that what looks like an obvious play in the morning can become a mere afterthought an hour before game time when the scramble to create lineups begins -- an unexpected must-play hitter emerges on the whim of a manager’s lineup choice or Mother Nature decides to blow some wind around.

That’s what X Factors is here for: an update to the morning DFS tip sheets to tell you which players you should be adjusting your expectations for and the crucial factors influencing this change in value. X factors is here to help you find those last couple of hidden gems to turn your lineup into a winner. Here's what I'm seeing for Tuesday night's slate: