Reinforcement
The games top defenders excel in all situations. When they enter the zone; this ability increases their chance of defeating run blocks; and disrupting catches via tackles.
Force incompletions or TFL's
Don't allow yards
Unfakeable
Defenders with this ability are rarely faked out by ballcarrier moves (and cannot be faked out when user-controlled).
Lumberjack
Defenders with this ability do not allow broken tackles and cause more fumbles when cut-sticking ballcarriers.