Barcelona coach Gerardo Martino has conceded his side were far from convincing as they stumbled to a 1-0 victory over Malaga on Sunday, but has suggested Lionel Messi could return from injury in Tuesday's Super Cup second leg clash against Atletico Madrid.
A first-half Adriano goal was enough to maintain Barca's perfect record in their opening two matches, although Malaga were unlucky not to salvage a point with a late flurry of attacks on the away side's goal.
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Martino insists Barca should have put the result beyond doubt given their dominance of possession.
"Today Barcelona started well but we were worse as the game went on," he said. "We lacked some effectiveness and chances for all of the possession we had. Until the 25th minute of the second half, we had complete control - only at the end did we not have the ball and they had two very good chances."
Messi, who suffered an injury during last week's draw with Atletico, was left out of Martino's squad for the trip to Malaga, but the 50-year-old admits the forward is recovering well and could feature in the return leg.
"Messi worked at the club today. We'll see how he feels," Martino added. "There's two days remaining before the game, but we are very pleased with his progress."
Martino also fended off concerns over Neymar's involvement during the early stages of his career, with the Brazil international once again used as a substitute.
"There is a difference between Neymar's first game and his latest one," the Barca coach said. "The important thing is that he always brings something when he's playing."