Aston Villa are prepared to be without the services of Tyrone Mings for their Champions League contest with Celtic on Wednesday night at Villa Park.
The former England international was forced off after just 38 minutes on Sunday afternoon, when the Villans shared the spoils with West Ham United in the Premier League.
Without a senior centre-back on the bench, Unai Emery turned to the talents of left-back Ian Maatsen, with Lucas Digne shifting to join Ezri Konsa at the heart of defence.
The Frenchman is likely to feature in the middle of the backline once again against Celtic, unless the Villans hand a second Champions League start to 21-year-old Lamare Bogarde.
Whilst Amadou Onana and Ross Barkley fight back from hamstring and calf issues respectively, Boubacar Kamara and Youri Tielemans are set to play in the middle of the park.
Jacob Ramsey is in line to retain his spot in the side after bagging his maiden Premier League goal of the term on Sunday, with assist provider Watkins likely to remain as the central striker.
The hero against Bayern Munich at Villa Park earlier in the league phase, Jhon Duran will look to cause havoc off the bench, where winter arrival Donyell Malen is also set to sit at the beginning of the match.
Aston Villa possible starting lineup: Martinez; Cash, Konsa, Digne, Maatsen; Tielemans, Kamara; Bailey, Rogers, Ramsey; Watkins
>Click here to see how Celtic could line up for this fixture
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