Chris Sutton insists "you don't know which Celtic team will turn up this season" after the Parkhead side's 7-1 win over Dundee.
The Scottish champions ran out comfortable winners against Tony Docherty's men thanks to goals from Cameron Carter-Vickers, Adam Idah, Matt O'Riley, Daizen Maeda, Greg Taylor, Callum McGregor and Daniel Kelly.
But Sutton says Brendan Rodgers' men cannot get too carried away result and that there is still plenty of football to be played.
Speaking on Sky Sports, he said: "Let’s not get too carried away with that. It was a big night for the goal difference. Rangers one better off are they?
"So it is a big night in that respect. But Rangers getting a win at Rugby Park was massive for them. What a game we have got on Sunday.
"Celtic go to Hearts, and let’s get it right; we don’t know which Celtic team is going to turn up on the evidence of what we’ve seen this season.”
READ MORE: How Celtic DEMOLISHED Dundee due to Johnston and lethalness
Meanwhile, Sydney van Hooijdonk has taken a dig at the standard of Scottish football while revealing the 'truth' over links with a move to Celtic.
The striker, son of ex-Celt Pierre, was heavily rumoured to be on his way to Parkhead on loan in the January transfer window.
However, he eventually moved from Bologna to Norwich, with Adam Idah subsequently coming on loan to Glasgow.
The Dutchman admits no official talks took place between the Scottish champions and his representatives in the winter, but he did reveal there was contact last summer.
Van Hooijdonk admits he's a Celtic fan, however, his views of the Premiership are not particularly great.
Speaking to Pink Un, he said: "To be honest, I didn't speak with Celtic this winter.
"You see a lot of things, but this winter, I didn't speak with them. Yes, last summer, there was a bit. It is a lovely club, and I am a fan of them as well, but the Championship and a team that is fighting for the play-offs was really nice.
"This league is at a higher level than that league, so I'm really happy to be here."
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