Barcelona's coach Joseph Guardiola (Photo: AP)
The two coaches face off for the first time since Bielsa took over Bilbao this season, and the Basque club has been steadily improving following a poor start.
Pep Guardiola visited the former Argentina and Chile coach to pick his mind over tactics and philosophy after retiring from football before embarking on his coaching career.
Spanish leader Real Madrid looks to stay top by beating Osasuna despite an unusual noon start time on Sunday.
Early-season surprise Levante looks to continue its strong start when local rival Valencia visits on Saturday.
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