Gabriel Martinelli is expected to miss at least a month of action after sustaining a hamstring injury against Newcastle United on Wednesday evening. The Brazilian was withdrawn after just 37 minutes during Arsenal's 2-0 defeat to Newcastle United in the second leg of their Carabao Cup semi-final,

Gabriel Martinelli is set to miss more than a month of action with a hamstring injury, with his participation in Arsenal’s last-16 Champions League tie in doubt.Photo by Stu Forster/Getty

Gabriel Martinelli is facing over a month on the sidelines in another major injury blow for Arsenal. The Brazil international was forced off during Wednesday’s Carabao Cup semi-final second leg clash against Newcastle United, with the Gunners crashing out of the competition after a 4-0 aggregate defeat.

Arsenal winger Gabriel Martinelli faces more than a month on the sidelines with a hamstring injury suffered during Wednesday’s EFL Cup loss at Newcastle United. Early indications suggest that is the duration Arsenal are set to be without the 23-year-old Brazil international.

Arsenal are six points behind Premier League leaders Liverpool and will be without the injured Gabriel Martinelli for more than a month, but there is one thing working in Mikel Arteta 's favour with regards to the title race.

Gabriel Martinelli’s hamstring injury has seen Arsenal’s January transfer window gamble backfire almost immediately. The Brazil international hobbled off in midweek during the first half of his side’s Carabao Cup semi-final second leg defeat against Newcastle.