There are only 2 states of being in Madden:
1 You are being tackled
2 You are not being tackled
There needs to be a bunch of half tackle animations, which randomly trigger a continued run or a loss of balance. Backbreaker simulates this very well because it does not use mo-cap. I'm not sure how this can be simulated effectively by Madden other than having a 3rd state of being.