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 apply bonus fatigue to their man coverage target after a successful press win

Defenders with this ability generally react much faster to receiver cut moves when in man coverage

Players with this ability are more likely to succeed at and attempt diving catches and swats.

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