Any time a player goes from one system to another, one thing...
Any time a player goes from one system to another, one thing that could be a problem is breaking old habits. It's not that you don't understand what the new responsibilities or plays are, but just the fact that you've been doing something a long time - it's a habit - and that's not what's required in the other system. And that means kind of undoing something before you can even start to do something new.
![Bill Belichick Quote About Breaking, Fact, Goes, Habit, Means: Any Time A Player Goes...](http://qt.azureedge.net/resources/quotes-images-large/any-time-a-player-goes-from-one-system-to-another-one-thing-that-could-be-a-prob-df4951c08c4c800b9ac9696351db83a4.jpg)