Which of these 3 more important?

Play rec ? Awareness ? Block shed ? I know that they are all different but if you had to pick one or two at the most which would it be

I feel like awareness combines with play recognition to determine how fast players react to the play. It might all be in my head and EA doesn't really clarify these things. Block Shed is important for getting off of blocks, especially in the run game.

I'd value BSH more on my defensive line, and PRC/AWR everywhere else. Having a nickel CB that has decent BSH can also be nice for stopping outside runs if you run a lot of Nickel/Dime defenses.

None of that matters. 

The 3 most important are DR, PDA and DDA.

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Pretty sure an awareness score was introduced for offensive linemen a few years ago that was supposed to determine how well the line picked up the blitz, but we all know the blocking logic in this game is wacky anyhow.  

I do not know what the impact of the three attributes in question are, but I would like to think that AWR can help ALL players and for that reason alone I would put it first.  PRC would help the entire defense; however, I would put BSH above it because if your linemen are shedding blocks and getting to ball carriers and quarterbacks, the PRC (or lack of) does not matter.

EightyOne said:

None of that matters. 

The 3 most important are DR, PDA and DDA.

Dice Rolls

Predetermined Animation

Dynamic Difficulty Adjustment

I can go along with this.