Messi is currently recovering from a hamstring injury.
"If you were playing against Barça, you'd be pleased to know he's not in the team" Martino said. "But luckily we have a very strong squad at Barça and with the players we have, there is no room for excuses. At Barça, you have to accept it when players are missing and the best way to do that is by going out there and playing a good game."
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