Complex sentence: Manvel Gamburyan was expected to face Aljamain Sterling at the event; however, on February 3, Gamburyan pulled out of the bout citing injury and was replaced by Takeya Mizugaki.
Split into simpler sentences: Manvel Gamburyan was expected to face Aljamain Sterling at the event. However, on February 3, Gamburyan pulled out of the bout citing injury and was replaced by Takeya Mizugaki.