With Celtic on the brink of winning their fifth league title in a row, let’s take a look back at the last four seasons to see how their winning run has developed.
The Hoops could be crowned champions on Saturday, but they would need to secure all three points away to Hearts and hope that their closest challengers Aberdeen slip-up at home to Motherwell.
Former boss Neil Lennon could make a sensational return to the Parkhead hotseat this summer after current manager Ronny Deila announced he will leave the Bhoys at the end of this season.
Here's how the Northern Irishman fared during his title-winning seasons in his time in charge of the Hoops...
Season 2011/12
Manager: Neil Lennon
Top league goalscorer: Gary Hooper (24)
Europe: Europa League group stages
The season was not going well for Neil Lennon with Celtic trailing Ally McCoist's Rangers side by 10 points in autumn. The former midfielder looked as though he was heading for the Parkhead exit door with his side trailing 3-0 away to Kilmarnock at half-time in October.
However, a stirring second half comeback to secure a draw gave Lennon a much needed reprieve, and the team went from strength to strength.
A 21-game unbeaten run overturned a 15-point gap in the title race, and by the New Year, Celtic went two points clear of their city rivals at the top of the league.
In February 2012, Rangers went into administration, and were deducted 10 points meaning that the title was almost certainly heading back to the east end of Glasgow for the first time in four years. The Hoops clinched the title in style by thrashing Kilmarnock 6-0 at Rugby Park.
Season 2012/13
Manager: Neil Lennon
Top league goalscorer: Gary Hooper (19)
Europe: Champions League last 16
With Rangers no longer on the scene, Celtic were expected to wrap up the title with considerable ease.
The Parkhead side ended the campaign 16 points clear of Motherwell, but with seven league losses, it’s fair to say it wasn’t a vintage campaign domestically.
However, in Europe, it was one of the Hoops' most memorable. Neil Lennon guided the club to the knockout stages of the Champions League, famously beating Barcelona along the way, with Tony Watt scoring the decisive goal.
The last 16 proved to be a step too far though, as Juventus ruthlessly dispatched the Scottish champions to run out 5-0 winners on aggregate.
Lennon's attempts to emulate his former boss Martin O'Neill by securing a treble were dented by a semi-final defeat to St Mirren in the League Cup. But the Hoops were to lift more silverware yet after securing the double courtesy of a comfortable Scottish Cup win over Pat Fenlon's Hibernian.
Season 2013/14
Manager: Neil Lennon
Top league goalscorer: Kris Commons (27)
Europe: Champions League Group Stages
The season started with the sales of Gary Hooper, Kelvin Wilson and Victor Wanyama, with Virgil Van Dijk arriving in Glasgow’s East End.
On the pitch, Celtic were dominant in the league, losing only one league match across the entire campaign.
Indeed, Neil Lennon’s men amassed 99 points, and fired in 102 goals. Kris Common was the stand-out performer and finished as the league’s top scorer with 27 goals.
A solitary win against Ajax left them bottom of a section containing other European giants Barcelona and AC Milan. There was also disappointment in the domestic cups, with early exits in both competitions.
2014/15
Manager: Ronny Deila
Top league goalscorer: Leigh Griffiths (14)
Europe: Europa League last 32
After Neil Lennon’s departure, Norwegian manager Ronny Deila was appointed as his successor. Fraser Forster was the big name departure, moving to Premier League side Southampton and bringing £10million into the Parkhead coffers in the process.
Deila had a mixed start as boss with some big wins, but also suffered defeats to Inverness and Hamilton in the league.
Aberdeen were proving difficult to shake off, and it wasn’t until a 4-0 win in March over The Dons that the league looked beyond doubt with the Hoops finishing the season 17 points clear of Derek McInnes' side.
There was also the small matter of beating Rangers 2-0 in the League Cup semi-final at Hampden, the first meeting of the sides since the Ibrox side were liquidated.
A 2-0 win against Dundee United in the final secured the first part of the double.
On the European front things were more disappointing. Failure to qualify for the Champions League, despite a reprieve after Legia Warsaw were disqualified, was balanced out by a run to the last 32 of the Europa League.
After a thrilling 3-3 draw at Celtic Park, Serie A giants Inter proved too strong for Deila's men in the second leg.
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