Defender Micah Richards remains an outcast at Villa.
Sunderland defender Reece James has been given his chance in the absence of Denver Hume and Bryan Oviedo.
Sunderland are currently seven points off the top of the League One table.
Sunderland are set to target defenders in the January transfer window.
League One challengers Sunderland have reportedly looked at signing the prolific Exeter City striker Jayden Stockley.
Lee Camp suffered relegation from the Championship during his dreadful spell as Sunderland goalkeeper last season.
Sunderland forward Josh Maja is currently leading the top scoring charts in League One.
Sunderland's Bryan Oviedo is currently suspended for kicking out at a Peterborough United player.
Sunderland are seven points adrift of Portsmouth at the top of the League One table right now.
Mavrias spent three seasons on the books of Sunderland.