Bottleneck defenders realize that the best way to stop a route is to act early. When they enter the zone, they are highly likely to dominantly win any man press encounter.

Defenders with this ability force more catch knockouts and react quicker in any mid-field zone coverage, less than 20 yards from the LoS inside the numbers and 10-20 outside.

Players with this ability are harder to knock out of The Zone

Ballcarriers with this ability have an increased chance to break the first tackle attempt on kick returns

Defenders with this ability force more catch knockouts and react quicker in deep zone coverage; 20+ yards from the LoS.