Complex sentence: Tarec Saffiedine was expected to make his promotional debut at this event opposite Robbie Lawler; however, Saffiedine was forced out of the bout with an injury and was replaced by Siyar Bahadurzada.
Split into simpler sentences: Tarec Saffiedine was expected to make his promotional debut at this event opposite Robbie Lawler. However, Saffiedine was forced out of the bout with an injury and was replaced by Siyar Bahadurzada.