Lisandro Martinez was shown red for this tug on Dominic Calvert-Lewin’s hair Credit : Phil Noble/Reuters A furious Michael Carrick said the “absolutely shocking” decision to send off Lisandro Martinez for pulling Dominic Calvert-Lewin’s hair was “one of the worst I’ve seen” as Manchester United crashed to defeat to Leeds. Carrick hinted that United would appeal against the decision as the United head coach questioned how Martinez’s infringement could be classed as violent conduct when Calvert-Lewin escaped censure for a “forearm smash” on Leny Yoro in the lead-up to Leeds’ first goal. “I thought the boys stayed positive and fought for everything in the second half after a shocking decision to send Licha [Martinez] off,” Carrick said. “That’s two games in a row we’ve had those decisions go against us but that one was one of the worst I’ve seen. “I have to say the [first Leeds] goal Leny Yoro gets a forearm smash in the back of his head so I don’t know how that doesn’t get overturned.…