Sportsmail rounds up some of the hidden stories behind the game.
Manchester City staff have revealed they wanted a transfer ban so the youngsters would get playing time, while William Hill tipped off the FA about Wally Downes' alleged breach of betting regulations.
A number of Manchester City's academy staff have expressed regret that the club were not given a transfer ban after being found guilty of breaching player registration rules for under 18s last summer.
They felt that being placed under embargo would have forced Pep Guardiola to give more game-time to home-grown players, as Frank Lampard has done at Chelsea.
City and Chelsea have the best academies in the country, but opportunities for the youngsters have proved extremely limited under Guardiola, with a 10-minute appearance off the bench for Phil Foden at West Ham last month the only Premier League playing time an academy product has been given this season.
Lampard is building his new-look Chelsea team around youngsters such as Mason Mount, Tammy Abraham and Fikayo Tomori after the club were given a two-window transfer ban for breaching FIFA regulations.
City escaped with a £315,000 fine after being found guilty of similar offences this season, as the number of breaches was far fewer than Chelsea's.