Rangers lost 2-0 to their bitter rivals at Ibrox.
Rangers hoped this September would bring a different result to last years.
It did. Instead of a 1-0 loss to Celtic, Rangers lost 2-0. At home.
It was far from ideal for Steven Gerrard's side, but all is not lost. Far from it.
Here are three reasons for Rangers supporters to be positive, despite the 2-0 loss...
If Rangers thought they just had to turn up and beat Celtic then they were very wrong. This was a far cry from last year's end of season match at Ibrox between the two teams.
For Rangers, this must be a motivation. They fell short, and they should not feel sorry for themselves.
Rangers have a couple of weeks to reflect on this result due to the international break, and must come back stronger and more motivated.
Celtic were in a similar position last December when Rangers won against them before the winter break. They came back better and were able to go on a run which sealed the title.
Rangers must analyse where it went wrong and focus on fixing it, and simply work harder.
Last season when Rangers lost their opening Old Firm game to Celtic it was worse than this, because they had already dropped points in the league.
Up until this match, Rangers had a perfect record of three wins from three matches.
This, ultimately, is just three points lost.
Rangers can take confidence from the way they have dismantled other opponents this season.
Keeping this up and showing consistency is crucial to their title challenge. In this regard they have had a good start, and should take encouragement.
Rangers may have lost to Celtic, but they should not have any sudden self-doubt over their quality.
They should be confident in their ability and put this down to an off day.
Rangers have proved themselves this season in two legged ties over Legia Warsaw and Midtylland in the Europa League, earning a great group stage draw in the process.
Rangers' have a chance to mix it against some of Europe's better sides, and regardless of what is happening domestically, this is an opportunity they must be embraced.
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