Sign up now! Sign up now! Sign up now? Sign up now! The use of psychological stratagems and pitchside or locker-room sabotage has long been employed by football managers trying to give their teams an edge over visiting rivals. Whether it’s placing the pegs too high or the seats too low, painting the walls an aggression-lowering shade of pink or deliberately moving the advertising hoardings to prevent long throws, there are apparently no stones conniving coaching staff will leave unturned if the…