The Dutch defender is again available after serving a suspension but may not get up for the Villa Park meeting as he battles a calf problem.
"Ron is back from suspension, but he's struggling with a calf. So it is going to be a late shout on Ron," said Villa boss Tim Sherwood.
Vlaar returned to action in February after missing six weeks because of a knee injury before he was sent off in the 2-1 home loss to Stoke City on February 21.
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