Walter Mazzarri says Napoli paid the price for fatigue and a terrible first half in their 3-2 thriller at Genoa. 
“We put in such a great second half performance, but we got it all wrong at the start and took 30 minutes to get into gear,” he said after fighting back from 3-0 down.
“This game was all an uphill struggle and perhaps we deserved a point considering how we came back into it.
“Genoa were more vehement, more aggressive and passionate than us for the first half-hour. After their second goal we played really well, but it was too late to recover completely.
“We do concede a few too many goals. We were distracted in defence on Alberto Gilardino’s goal, but perhaps playing every three days does rob you of a little sharpness that can make the difference.
“Napoli must grow. The Champions League sides are paying a price in Serie A and the statistics show that clearly. It’s a physical issue and we’re just unaccustomed to this schedule.”
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