Chris Sutton has admitted time may be up for Neil Lennon after Celtic's humiliation at the hands of Sparta Prague.

Lennon's side lost 4-1 again to Prague, following their loss at home in the reverse fixture, heaping even more pressure on Lennon.

READ MORE: Sparta Prague 4 Celtic 1: Pressure grows on Neil Lennon as woeful defending is Celtic's undoing again

The Celtic boss has already been the subject of a protest from The Green Brigade, who unveiled a banner calling for him to leave after a string of poor results.

And now Sutton, who was critical of The Green Brigade protest and has been a long time backer of his former team-mate, believes Lennon will have a hard time turning around Celtic's fortunes.

Celtic host Ross County on Sunday in the League Cup, before travelling to Italy to play AC Milan next week.