Complex sentence: On October 21,2014, it was annouced that Velasquez pulled out of the bout due to a knee injury, and now Werdum would face Mark Hunt for the interim UFC Heavyweight Championship at UFC 180.
Split into simpler sentences: On October 21,2014, it was annouced that Velasquez pulled out of the bout due to a knee injury. Werdum instead faced Mark Hunt for the interim UFC Heavyweight Championship at UFC 180.