Martinelli, Tomiyasu, Timber - Latest Arsenal injury news and return dates for Porto clash

Mikel Arteta has issued a fresh Arsenal injury update ahead of the huge Champions League second leg clash against Porto. The Gunners have been fortunate to welcome back some key stars in recent weeks with Thomas Partey, Gabriel Jesus and Oleksandr Zinchenko all returning.

Amid that triple boost, Arteta continues to be without both Jurrien Timber and Takehiro Tomiyasu although returns for the defensive duo appear close. During the dominant win over Sheffield United, Arteta lost Gabriel Martinelli to a foot injury with the Brazil international then absent from the squad to face Brentford over the weekend.

Arteta admitted last week he was hopeful that Martinelli could be involved against Porto, however his latest update suggests otherwise. With that in mind, football.london has taken a look at the latest injury news following Arteta's press conference on Monday.

Martinelli was not named in the squad to face Brentford. football.london spotted the Brazil international walking through the 'mixed zone' on crutches and thus he is a major doubt to face Porto in the Champions League. Martinelli was then absent from Arsenal's open training session at London Colney on Monday.

Injury: Foot.

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Return date: N/a.

What Arteta has said: «Not many updates – we still have 24 hours and we’re trying to have everybody fit an available. He [Tomiyasu] did the first part, Gabi didn’t, but that’s what we’re hoping for [Tomi to be involved].»

Tomiyasu was in full team training ahead of the Champions League tie against Porto after missing the last few weeks with