Celtic's James Forrest feels it would be remiss of the players to focus too much on their upcoming Old Firm clash with Rangers.

The Hoops take on their Glasgow rivals on December 28 but still have to navigate Kilmarnock on Saturday and Forrest insists that is the fixture the squad is focusing on.

"Your most important fixture is always your next one - so that means we've got to focus completely on Kilmarnock," he told the Evening Times.

"They gave us a really difficult game at Rugby Park earlier in the season when we found ourselves 3-0 behind at half-time.

"We managed to recover well and earn a 3-3 draw so that shows we've got to be at our best to win the game."

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