Stiliyan Petrov highlighted Celtic defender Mikael Lustig after his poor display against AEK Athens
The Celtic star has been heavily linked with a move away from Parkhead, but Brendan Rodgers still sees him as a key member of his squad.
Alan Hutton will stay at Aston Villa next season.
Celtic are a cup final and a league win away from defending their domestic treble
With news of Villarreal interest, former Celtic star Stiliyan Petrov says that Moussa Dembele could leave the club for a new challenge.
Brendan Rodgers' Celtic side will play host to Graeme Murty's Rangers at Parkhead on Sunday.
Ibrox side Glasgow Rangers are not one of the biggest clubs anymore, claims Celtic legend Stiliyan Petrov.
Kenny Miller and Lee Wallace have been suspended at Ibrox after an altercation with Rangers manager Graeme Murty.
Celtic suffered a narrow 2-1 loss to Bayern Munich on Tuesday night.
The Celtic marksman appears to be playing the best football of his career in Glasgow.