Adrenaline Rush
Pass rushers with this ability will heal some of their fatigue after sacking the QB
Run Stuffers can singlehandedly disrupt an offense. When they enter the zone, this ability increases their win rate and block shed speed against one-on-one run blocks.
6 positions can unlock this ability.
Defensive Tackle
Left Edge
MIKE Linebacker
Right Edge
SAM Linebacker
WILL Linebacker

Pass rushers with this ability will heal some of their fatigue after sacking the QB
There are tacklers and then there are these guys. When they enter the zone any successful hit-stick made while running towards the line of scrimmage will result in a fumble.
X-Factor
Effective D-Line captains aren't just examples to follow, they are motivators. When they enter the zone, all opposing blockers have their resistance bars wiped out.
Superstar
Defenders with this ability are granted a free pass rush move once per play after spending stamina to perform one
Locker room pep talks go a long way. Players with this ability can easily enter the Zone in the 2nd half.
Defenders with this ability will cause heavy fatigue penalties when tackling a ballcarrier with a hit-stick tackle.