Mika Biereth has named Gabriel Martinelli ahead of Bukayo Saka as the best player in Arsenal training. The Gunners have one of the best squads in Europe, and their training sessions must be extremely competitive. Young Biereth had a few opportunities to be involved, and he was blown away by Arsenal star Martinelli. Mika Biereth says Gabriel Martinelli is the best player in Arsenal trainingArsenal signed Gabriel Martinelli from Ituano back in 2019 for just £6 million (Goal). Nobody had really heard of the Brazilian then, but he took the Premier League by storm. He was incredible in his debut se…