Oscar Garcia, who quit as Maccabi Tel Aviv boss last month, inherits a side which finished fourth in the Championship last season.
He played for Barca for six years and also coached the club's youth team before guiding Maccabi to the league title last season.
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Friday evening's weather for the East of the region
Very high risk of pollen tomorrow. Tonight's risk is moderate.
Friday evening's weather for the West of the region