Aston Villa are monitoring Christian Benteke's fitness ahead of the Sunderland game [GETTY]
Benteke has sat out the last three games with a knee injury while Vlaar is nearing a return after being sidelined with a calf injury.
Ciaran Clark is unavailable through suspension while Joe Bennett looks set to miss out with a back injury.
Meanwhile, Sunderland boss Gus Poyet will make late calls over John O'Shea, Fabio Borini and Adam Johnson.
Adam Johnson is touch and go to play against Villa [GETTY]
O'Shea has been out for the last two games with a shoulder problem while Borini is undergoing tests after being taken to hospital during the 2-2 draw against Cardiff. Johnson missed the game through a virus.
Aston Villa Provisional squad: Guzan, Steer, Baker, Lowton, Luna, Vlaar, Bacuna, El Ahmadi, Albrighton, Westwood, Sylla, Tonev, Delph, Gardner, Kozak, Helenius, Weimann, Benteke, Bowery, Agbonlahor
Invalid email
We use your sign-up to provide content in ways you've consented to and to improve our understanding of you. This may include adverts from us and 3rd parties based on our understanding. You can unsubscribe at any time. Read our Privacy Policy