Manchester City manager Pep Guardiola is one of the greatest coaches ever and should not be judged as a failure, according to ex-Borussia Dortmund and Juventus midfielder Sunday Oliseh.
The former Nigeria international made the statement after a barrage of criticism against the Spaniard for his team's current position in the Premier League.
After 21 rounds of games this season, the Citizens are third in the top-flight table, 14 points behind leaders Liverpool and a point behind second-placed Leicester City.
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During the week, Guardiola admitted he has failed since his debut season at Barcelona where he won six titles in 2009.