MANCHESTER, England : With INEOS CEO Jim Ratcliffe joining the race to buy Manchester United, fans of England's most successful club are excited about a future free from the much derided Glazer family, who they have protested against since the Americans bought the club in 2005.However, if recent incoming owners of Premier League clubs are anything to go by, supporters should brace themselves for more upheaval among the coaching staff and squad, just when things appear to be clicking on the pitch.Confidence is flowing around Old Trafford after United beat local rivals and Premier League champions Manchester City on Saturday for their ninth successive win in all competitions, the team's longest run of victories since the days of Alex Ferguson.Erik ten Hag, United's sixth permanent manager since Ferguson left in 2013, has been one of the architects of the revival but would not necessarily be safe under new owners.Installing a new manager swiftly after taking control of a club is a recurring theme across the Premier League, with incumbents rarely lasting much longer than a year.Chelsea owner Todd Boehly sacked Champions League-winning coach Thomas Tuchel little more than three months after completing his takeover of the London club last year.The U.S.
tycoon has spent 445 million pounds ($550.64 million) on players but his team are currently floundering in 10th place under Tuchel's successor Graham Potter.NEWCASTLE SUCCESSNewcastle United's Saudi Arabia-backed consortium were even more ruthless when they took over the north-east club in 2021, sacking Steve Bruce 13 days later.Successor Eddie Howe, backed by more than 200 million pounds in transfer spending, has been a roaring success, taking the team into third place in the