"Forcing fumbles (or not fumbling on offense) is a skill. Recovering a forced fumble and having it bounce the right way is not. Schottenheimer’s teams actually forced more fumbles in the postseason than their opponents. They recovered fewer." http://www.thebiglead.com/index.php/2012/09/06/marty-schottenheimer-will-never-be-in-the-hall-of-fame-tom-coughlin-will-because-of-fumbles-and-fate/