Manchester City boss Pep Guardiola is suffering the worst run of managerial career
Defeat to Manchester United has left City without a win in six games
MANCHESTER CITY's defeat to Manchester United at Old Trafford means Pep Guardiola is now on the worst run of his managerial career.
The man who arrived in England with a CV the envy of every coach on the planet is now having his credentials seriously questioned.
He won three La Liga titles and two Champions League with Barcelona, while his Bayern Munich side swept all before them in the Bundesliga.
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Billed as the coach to show the Premier League how to play football, his City side have not won a game since beating Swansea at the Liberty Stadium on September 24.
Guardiola made nine changes from the side that dropped points at home to Southampton on Sunday. Regardless of where the League Cup sits in the priorities of the City boss, the fact is City are on their worst run since December 2008.
It's also the worst since Sheikh Mansour pumped his billions into the club three months earlier.
Pep has another tricky test on Saturday when City face West Brom at the Hawthorns. Baggies boss Tony Pulis will certainly have a plan in place to ruffle the feathers of the title favourites.
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After winning 1o games on the bounce at the start of the season, there were suggestions by some City would go the whole season unbeaten and match the Arsenal invincibles of 2004.
The Guardiola philosophy was always going to endure it's toughest test in England, the test is now here but his teams have overcome setbacks before.
His Barca side in 2008 went five games without a win, however the Catalans bounced back to win La Liga, Copa Del Ray and the Champions League, beating Manchester United 2-0 in Rome.
Taking over at Bayern Munich from Jupp Heynckes in 2013, winning the Bundesliga was a given but his side failed in Europe.
Manchester City's lengthy chase of the 45-year-old Spaniard was finally complete last summer. Pep would have known the Premier League would be the toughest test of his short managerial career.
His rival Jose Mourinho was in need of a win more on Wednesday evening, but the derby defeat turns the focus sharply towards an awkward Saturday afternoon in the West Midlands.