Celtic suffered a 3-0 defeat to Zenit on Thursday night.
Celtic crashed out of the Europa League on Thursday night against Zenit.
Celtic travel to Russia for the second leg against Zenit on Thursday night.
Rangers fans have been denied European football for the best part of a decade now, and Celtic's midweek clashes will not be helping the club's frustrations
Callum McGregor was the matchwinner as Celtic beat Zenit.
The former Celtic man felt his old side deserved more of a lead than 1-0 to take to Russia after a dominant display last Thursday.
The Celtic winger has bagged 17 goals so far this season, including six in 11 appearances in Europe.
Celtic face Zenit in the Europa League on Thursday night.
Brendan Rodgers takes his Celtic side to Russia ahead of Thursday night's clash.
Brendan Rodgers' Celtic face Zenit on Thursday night in Russia.
Antonio Conte has offered no guarantees over Branislav Ivanovic’s future at Chelsea and said the defender will not start Saturday’s FA Cup tie against Brentford, with Zenit St Petersburg having expressed an interest in luring him to Russia.
Zenit St Petersburg have confirmed Axel Witsel is to join Tianjin Quanjian in the latest high-profile acquisition by a Chinese Super League side.
Manchester City boss Manuel Pellegrini may not be out of work for long.