St Mirren deservedly won through second-half goals from striker Mikael Mandron and substitute Toyosi Olusanya.
Manager Phillipe Clement says he is "busy finding solutions" rather than worrying about whether his Rangers future has been cast into further doubt by another humbling Ibrox defeat.
Portsmouth made it three wins on the bounce with a 2-1 victory over Queen's Park Rangers at Fratton Park, which was also ...