Manchester City have announced Juan Manuel Lillo's appointment as Pep Guardiola's assistant.
The Spaniard, 54, replaces Mikel Arteta, who left the Etihad Stadium to become Arsenal manager in December.
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Lillo arrives from Chinese side Qingdao Huanghai having coached Guardiola during a spell in Mexico with Dorados Sinaloa in 2006.
Guadiola once called him the "best coach I ever had," while Lillo has previously described the City boss as "one of the most important people in my life, like a son to me.