News of all that’s transpired on and off the football field IMAGE: New Real Madrid coach Zinedine Zidane during the press conference. Photograph: Susana Vera/Reuters Zinedine Zidane takes charge of his first game since making an astonishing return to Real Madrid, on Saturday, against Celta Vigo which is set to be a de facto audition for next season for many of the team’s underperforming players. Having sacked Julen Lopetegui and Santiago Solari for a series of embarrassing results, Real have decided to turn again to the former midfield great who won an unprecedented three Champions League titles in a row before resigning last May. But Zidane made it clear in his presentation that sweeping changes must be made for his second coming to be a success, meaning many in his squad will be playing for their futures against Celta and in the other 10 remaining league games. With Real out of the Champions League and Copa del Rey and sitting third in La Liga, 12 points behind leaders Barcelona, the only purpose for the remainder of the season is for Zidane to assess which players he wants to keep as he plots the team’s comeback in the next campaign. Veteran…