Rangers supporters have voiced their frustrations towards Russell Martin in Brugge this evening.
The Ibrox club are currently 8-1 down on aggregate in their Champions League playoff.
From the away end of the Jan Breydel Stadium, chants of 'Martin, get to f***' could be heard.
His side went down to 10 men early on after Max Aarons was sent off for a last-man challenge.
Ally McCoist described the full-back's red card as 'embarrassing'.
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"What is he thinking about?" said McCoist, live on TNT Sports, immediately after the incident.
"It's a punt up the pitch. I mean, that's embarrassing defending, it's schoolboy defending. Just get goalside of him, and match the run. That is absolutely carcrash material, it really is."
Going into the game, Rangers boss Russell Martin dropped midfielder Nicolas Raskin.
Explaining the decision pre-match, he said [RangersTV]: "We're trying to go as attacking as we possibly can and get as many goals on the pitch as we possibly can.
"We really like what Thelo has brought to the team, and Lyall deserves to play.
"We've just gone for real energy, real attacking intent, and hopefully it will be enough.
"But the team that starts the game won't be the team that finishes it, so everyone needs to be ready."
