The Villa new boy played with his fellow defender for five seasons at Manchester City.
Javier Hernandez is settling into life at Bayer Leverkusen, making his bow in a friendly.
A round up of news stories this morning about Manchester United.
Manchester United goalkeeper David de Gea has been pictured training for Spain.
Gareth Bale says it was a dream to sign for Real Madrid from Tottenham two years ago.
The former Spurs boss has also claimed he had no problems with the player, saying he was always keen play football.
Sunderland remain favourites, while West Brom and West Ham are also highly backed.
Moussa Sow says he snubbed moves to England this summer.
The former Cardiff City striker has welcomed a return to Spain and La Liga, during his presentation for Rayo Vallecano.
Tiago Ilori will be looking to impress with Aston Villa this season.