Rangers’ Europa League nightmare got worse on Thursday night as they collapsed to a 2-1 defeat against Sturm Graz, leaving boss Russell Martin pointing the finger squarely at his players’ mentality. Two catastrophic goals conceded in the first 35 minutes had the Ibrox side chasing shadows, and while Djeidi Gassama’s second-half strike gave them hope, it was yet another evening of misery for the travelling fans.