Complex sentence: Shrewsbury Town tried to appeal against the red card to the FA using video evidence, but the appeal was rejected meaning that McAllister's automatic three game ban stood, effectively ending his stay with the Shrews.
Split into simpler sentences: Shrewsbury Town tried to appeal against the red card to the Football Association (FA) using video evidence, but the appeal was rejected. This meant that McAllister's automatic three game ban stood, effectively ending his stay with the Shrews.