Arsenal manager Mikel Arteta has given his verdict on Gabriel Martinelli. Martinelli scored twice for Arsenal in their last Premier League match against Crystal Palace. So, what has Mikel Arteta said about Gabriel Martinelli? Let’s take a look. Mikel Arteta comments on Gabriel MartinelliWell, Arsenal manager Mikel Arteta has said that Gabriel Martinelli is full of confidence now after scoring twice against Crystal Palace. Arsenal hammered Palace 5-0 at the Emirates Stadium in the Premier League on January 20. Martinelli scored two goals. The £6 million (Goal) winger’s first goal came in the fo…