By Dominic Toner

Mark Warburton has revealed that Rob Kiernan may not be available to face Ross County on Saturday.

Rangers are aiming to bounce back from their humiliating 5-1 defeat to rivals Celtic in the league but now host a side who sit just a point behind them in the table.

Defender Kiernan sustained up an injury in the Old Firm encounter and was forced off the pitch in the second-half.

Warburton faces a selection dilemma if the 25-year-old is ruled out against Ross County, with centre-back Philippe Senderos already absent due to the red card he picked up against Celtic.

The Rangers boss has revealed that Kiernan missed training on Thursday and a rolled ankle means he may be unavailable for the weekend, as quoted by the club’s official Twitter account.

“Rob Kiernan might be struggling for the weekend,” he said. “He didn’t train this morning. It could be a day early for him. He rolled his ankle.”

Veteran centre-back Clint Hill is likely to come straight into the starting line up for the suspended Senderos, after the 37-year-old watched from the bench at Celtic Park.

Former Liverpool defender Danny Wilson was not included in the squad to face Celtic but could be recalled and thrown straight into the team by Warburton.

Kiernan’s absence would be a major blow to the Rangers defence, with the defender playing a major role in the club’s promotion from the Scottish Championship last season.

He has already made 54 appearances for the Ibrox side and established himself as the club’s first-choice centre-back.

In other Rangers team news, the club’s star has won an award after a brilliant return to the Scottish Premiership.