Rangers saw off Ayr United to reach the Scottish Cup quarter-final - and the referee was still among the talking points. That is because Willie Collum made his return to officiate the Light Blues for the first time since the controversial clash with Celtic on December 30.
Rangers were incensed Celtic fullback Alastair Johnston was not penalised for a handball inside the penalty box by Collum in the VAR room.
Ibrox officials lodged a complaint to the SPFL - and requested Collum was not involved in the officiating team for any more of their fixtures.
However, Collum was the man in the middle during a busy afternoon as Scott Brown took his Scottish Championship side to Ibrox.
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