Snoop squads will be drafted in by the Premier League to ensure clubs are not bending the rules as players return to training on Tuesday.
A team of inspectors will be deployed, with one at every top flight training ground in a bid to stop rivals from gaining the upper hand by extending practice beyond new time limits and carrying out underhand activities such as holding tactical meetings behind closed doors.
They will also closely monitor clubs’ adherence to rules which state only 40 people — each tested twice a week — are permitted within the inner sanctum.