The former Blaugrana official is confident that the 41-year-old will return to the bench again in 2013, but stressed that he will not be rushed back during the upcoming season.
The 41-year-old trainer left the Barca bench at the end of the 2011-12 campaign, stating that he felt exhausted after four stressful seasons in charge of the Catalans, and adding that he intended to take a year-long sabbatical.
Estiarte, a close friend of Guardiola, is confident that the former Spain international will make a comeback in 2013.
"He will return next year. He can't go without football too long. He will start to look around in December or so. He will not return to coaching in the season that's about to start, though," Estiarte was quoted as saying by Sport.
Guardiola is currently linked with a move to Bayern Munich at the end of the 2012-13 campaign.
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