The Argentina striker has not recovered from the hamstring strain he suffered last month but Fernandinho will be ready to make his comeback against the Catalans
The Argentina international’s season has been interrupted by a series of niggling injuries, the most recent of which came during his side’s 5-1 hammering of Tottenham last month when he tweaked his hamstring shortly after opening the scoring.
Pellegrini had been hopeful that the former Atletico Madrid star would be fit enough to make the substitutes’ bench for the visit of Tata Martino’s side, having stepped up his rehabilitation with a return to first-team training last week.
However, the Chilean confirmed on Monday: "Aguero is not on the squad list. We'll see if he can be fit for Saturday [against Stoke], but maybe it's difficult."
Aguero has scored 26 goals in 25 appearances this season, including six in the Champions League, and his head-to-head clash with international team-mate Lionel Messi was due to be one of the most intriguing aspects of the heavyweight clash.
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Pellegrini, however, was hopeful that midfield enforcer Fernandinho could be ready to make a return from injury after missing the last three games with a muscle strain.
“[Fernandinho] has a chance, he’s in the squad list for Tuesday, we’ll see tomorrow - he worked without any problem,” he added.