Motherwell midfielder Andy Halliday has rejected claims that teammate Dan Casey should’ve saw red for a horror tackle on Rangers winger Ross McCausland. The young Northern Irishman left Ibrox on crutches after Dan Casey – who went on to score the winner in the match – flew into a reckless first half challenge. The moment drew the post-match ire of manager Philippe Clement, who claimed Dan Casey “kicked” Ross McCausland off the pitch. Since then, ex-Premier League referee Dermot Gallagher has expressed his disbelief that a red card wasn’t shown, but Andy Halliday has different ideas. Andy Halli…