Red Bull’s decision to retain Sergio Perez was surprising after his tumultuous form heading into the Formula 1 summer break. The Mexican’s performance at the Belgian Grand Prix cast doubt on whether Red Bull would continue with him heading into the second half of the season. Team advisor Helmut Marko provided a damning conclusion to Perez’s performance, claiming he “completely collapsed” during his run from second on the grid to seventh. Red Bull management ran crunch talks over what they would do with Sergio Perez, with a possible scenario of Daniel Ricciardo replacing him until the end of th…