Dan Friedkin’s takeover of Everton is expected to go through without issue. But with persistent PSR problems and debts to pay, how much flexibility does the US billionaire have to turn things around? The 59-year-old media and sports investor is currently in exclusive talks with Farhad Moshiri, having been chosen by the British-Iranian owner from a pool of eight groups in total. Friedkin, who already has a foothold in football through his ownership of AS Roma, is a credible investor and will be one of the richest individual owners in the Premier League should the deal go through. But with much …