Arsenal fans have given a harsh verdict on Gabriel Martinelli after Brazil’s elimination from the Copa America last night. The South American giants suffered one of their worst tournament results in living memory as Brazil exited the quarter-finals of the Copa America at the hands of Uruguay, with Marcelo Bielsa’s side winning on penalties. Arsenal had two players in the Brazil squad in Martinelli and Gabriel Magalhaes, though the two stars, despite their performances for the north London side in the last two months, were hardly used by manager Dorival Junior. Yet on social media, Arsenal fans…