The top flight’s profitability and sustainability rules (PSR) have been in the headlines this season after Everton and Nottingham Forest had points deducted for breaching them.Earlier this month Premier League club unanimously voted in support of squad spending caps linked to revenue being a key principle in the new-look cost control system, similar to UEFA’s financial sustainability regulations.The Premier League’s current financial rules are set to be phased out by the season after next and “anchoring” is a layer of the new proposal, which would cap the richest club’s wage bills as a…