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 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 The Brazilian was withdrawn after just 37 minutes during Arsenal's 2-0 defeat to Newcastle United in the second leg of their Carabao Cup semi-final,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 was substituted just before half-time during Arsenals Carabao Cup semi-final second-leg defeat to Newcastle on Wednesday; the 23-year-old joins Arsenal forwards Bukayo Saka and Gabriel Jesus on the sidelines;

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.

Arsenal had plenty of work to do in their Carabao Cup semi-final against Newcastle to advance but they now have a fresh injury issue to contend with after Gabriel Martinelli was forced off