Follow live coverage of Arsenal vs Porto in the Champions League today Arsenal forward Gabriel Martinelli and Manchester City goalkeeper Ederson have withdrawn from the Brazil squad for March’s international fixtures due to injuries. Martinelli, 22, missed Arsenal’s win over Brentford with a foot injury sustained against Sheffield United and is expected to be sidelined for Tuesday’s Champions League last-16 second leg at home to Porto. Ederson, 30, is set to be out for up to four weeks after being forced off with a thigh injury against Liverpool on Sunday. Paris Saint-German...