Arsenal starlet Gabriel Martinelli has signed a new long-term contract with the club after a highly impressive first season with the club.The news comes exactly one year to the day since he joined the north London side.Martinelli joined Arsenal from Brazilian second tier side Ituano for a fairly modest £6m last summer.But the 19-year-old has gone on to score 10 goals in all competitions this term, with three of those coming in the Premier League.Gunners boss Mikel Arteta revealed his delight upon the announcement of the news, admitting there were a number of factors that convinced him Martinelli should be handed a new deal.The Spaniard said: "I am very happy that Gabi has signed a new contract with us.“He is a very talented young player and.
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