Manager Mourinho has publicly called out a few players, including Antonio Valencia and Anthony Martial, while taking aim at the club management for failing to sign the players he wanted.United’s hierarchy are sympathetic to the manager’s unease and there remains optimism that Mourinho could still make a fourth signing, at least.Jose Mourinho has revealed Manchester United players will cut off their holiday in order to link up with the rest of the squad ahead of the new season.Martial, 22, left United’s Los Angeles training camp last week to attend the birth of his son, but after the safe arrival of Swan Anthony, he did not return to United’s preseason tour of the United States or report back to Carrington.Jose feels the returning players will play an integral part as the Reds step up preparations for the Premier League opener against Leicester City at Old Trafford next Friday, 10 August.Martial started both of United’s opening matches on their pre-season tour of the USA before being allowed to leave so he could attend the birth of his second child.United press officer Shotbolt responded: “We’re here to talk about the game”.”I am confident I will get one, but I think two I am…