MARCOS ROJO might have the brakes put on his Old Trafford exit after Luke Shaw picked up an injury. The Argentine defender was likely to be making a move before the European transfer window closes. According to The Guardian, Monaco and AC Milan were leading the chase for Rojo, who can play centre-half or left-back. But Shaw hobbled off during United’s despairing 2-1 home defeat to Crystal Palace at the weekend.And that could mean Rojo is needed as back-up, with Ashley Young likely to fill in for Shaw. With fellow full-back Diogo Dalot also on the sidelines, it’s all hands on deck for Ole Gunnar Solskjaer. Shaw, 24, was forced off in the first half for United during their shock defeat against Palace. SHAW’S HAMSTRING INJURY According to talkSPORT, Shaw won’t be back until at least a month after he hobbled off against the Eagles at Old Trafford.Shaw could now be set to miss the matches against Southampton, Leicester, West Han, Arsenal, Liverpool and Norwich. Solskjaer had hoped the England international would be back fit to face the Saints at St Mary’s this weekend. Speaking directly after the clash against Palace, the Norwegian said: “We will do the scans tomorrow, but…