Aaron Ramsey has been dealt a contemporary damage setback after he was pressured off simply 40 minutes into the conflict with Celtic at Hampden.
The on-loan Juventus star has had a stunted begin to life at Rangers however gave the impression to be returning to full health when he was named within the beginning lineup for the derby.
He got here by means of 80 minutes towards Braga in the course of the week and had began their earlier three Premiership matches.
Ramsey performed a key function for Rangers within the first half as they battled it out with Ange Postecoglou's staff for a spot within the Scottish Cup Remaining.
However he abruptly hit the deck across the 40-minute mark, prompting concern from the Rangers bench.
He instantly acquired medical consideration and could not play on with Scott Wright finishing a fast warm-up earlier than changing him.
It is a critical blow to Rangers forward of their Europa League semi-final with RB Leipzig.
And it'll even be a priority for Wales who will fear in regards to the prospect of shedding their captain for June's World Cup playoff closing.
Rob Web page's facet will face both Scotland or Ukraine in Cardiff on June 5.