Even though it’s only the fourth week in the season, you may find out that one or more of your fantasy players are either injured or not playing up to your expectations. You may be scanning the waiver wire to see who might be out there for you to pick up and use as either stop gap until your top player is back from injury or you may want to drop someone and pick up someone else. Four weeks into the new NFL season, there have been a few players who have stepped up and made a name for themselve...