Former Celtic striker Charlie Nicholas believes the Scottish champions need to invest more on players, in order to prevent further fan disillusionment.
Celtic boss Ronny Deila says the team have now had two chances and not taken them, after exiting the Champions League with defeat to Maribor.
Alan McInally was, briefly, lost for words when Celtic conceded in embarrassing fashion during their Champions League clash with Maribor.
All the biggest stories and talking points from the latest round of games in the SPFL.
Former Celtic midfielder Stephen Pearson is backing the Scottish Champions to overcome the challenge of Maribor and progress to the Champions League.
Celtic face Maribor in the second leg of their Champions League Third Round Qualifying tie.
Celtic boss Ronny Deila says his side will put everything into qualifying for the Champions League.
Celtic midfielder Callum McGregor has been included in Scotland's squad for next month's Euro 2016 qualifier away to Germany.
A look back on all the goals and highlights from the latest round of games in the Scottish Professional Football League.
Celtic manager Ronny Deila has warned his side not to be complacent going into the second leg of their Champions League play-off. Celtic got a 1-1 draw away to Maribor.
Ahead of their trip to Maribor in a Champions League play-off, Ronny Deila has reiterated how grateful he is to be managing Celtic.
Celtic travel to Maribor in the 1st Leg of their Champions League Third Qualifying Round tie.
Charlie Mulgrew says he was slightly embarrassed that Celtic were reinstated to the Champions League, but claims they will make the most of their reprieve.
Celtic travel to Slovenia to face Maribor on Wednesday looking to make the most of their UEFA Champions League reprieve.
Celtic travel to Maribor in Slovenia on Wednesday night in a Champions League play-off to try and make the most of their reprieve.
Celtic face Maribor in the Champions League play-off round after controversially being reinstated in the competition at Legia Warsaw's expense, and Ronny Deila's side are determined not to waste their second chance.
John Collins confirms Mubarak Wakaso is having a medical abroad and says Celtic must shape up against Maribor.
Legia Warsaw have had their final appeal for their disqualification from the Champions League rejected by the Court of Arbitration for Sport.
Fergus McCann, the man credited with saving Celtic from financial ruin, tells Luke Shanley that he's more bothered about how the Hoops perform than how he is remembered.
Celtic maintained their 100 per cent start to the season - thrashing Dundee United 6-1 in Ronny Deila's first home game in charge.
Callum McGregor is dreaming of playing in the Champions League with Celtic this season. McGregor is set to play in his first competitive game at Celtic Park today when they play Dundee United.
Former Celtic chief executive Fergus McCann believes the club may have to seek competition away from Scotland if they're to remain a force in Europe.
The latest Scottish Premiership action featuring Celtic and Dundee United.
Ronny Deila insists his Celtic side took another step "in the right direction" after they got their defence of the SPL title off to a winning start with a 3-0 victory over St Johnstone at McDiarmid Park.