Kenny Miller offers the key Rangers trait Morelos has over Colak in Celtic Park start fight but one caveat remains

Kenny Miller says Alfredo Morelos would perhaps be the mobile striker suited to Rangers ' system - but whether or not he's fully firing is a big caveat to that assessment

There is debate swirling as Michael Beale's team selection draws closer for this weekend's pressure cooker derby with Celtic. Anything but victory at Parkhead - where no away fans will be present - may all but end their Premiership title aspirations and talk has raged over who starts in attack.

The obvious choices are Morelos and Antonio Colak but some have argued a false nine like Malik Tillman could be used. Former Rangers striker Miller wonders how much the forward could offer to the game, even though he thinks Colak's physical presence isn't as quick as the Colombian's. Record Sport's columnist told Go Radio: "Morelos has still got it but it's about if he wants to show it. That's the choice he can make, but if you're talking about a fit Alfredo Morelos who is fully firing and Antonio Colak, I probably think for all other aspects of the game, I think Morelos has more pressing ability when fit and at it, more physical, he's more mobile, there's no doubt about it.

"But at the moment looks like Colak is maybe working harder. So it's a question out there but I just think what is going with Alfredo.

"Where he is going to be playing his football next year? He came to the club as a 20-year-old and it's something that has been constantly thrown at him, a lot of pressure on him, a lot of interest in him.

"Now he hasn't been performing at the best of his ability and Colak comes in. He found himself on the bench and he is not a good sub and I think everybody can see that, so it will be a really intriguing to see Michael's team selection.

"If you get the