All eyes will be on Hampden Park on Sunday for an intriguing Old Firm as Celtic and Rangers battle for a place in the Scottish League Cup final.

Both sides have new managers but at different ends of the age scale, with 73-year-old Martin O'Neill in interim charge of Celtic while new 36-year-old Rangers boss Danny Röhl is preparing for his first Old Firm.

When these two clubs met in the League Cup last season, they produced a cracking final as Celtic won on penalties following a dramatic 3-3 draw after extra-time at Hampden Park.

There are so many storylines heading into Sunday's game, so here's the view from the two Glasgow giants...

O'Neill's Old Firm experience

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Celtic interim boss Martin O'Neill reflects on his Old Firm dugout debut 25 years ago

Interim Celtic manager O'Neill aims to mastermind another seminal victory over Rangers - 25 years after his Old Firm debut paved the way for seismic change within Scottish football.

O'Neill introduced himself to Scotland's biggest club fixture with a 6-2 win as doubles...