HALIFAX – Rory MacDonald , Olivier Aubin-Mercier ,  Chad Kelades and  Patrick Holohan each earned $50,000 bonuses for their performances at Saturday’s UFC Fight Night 54 event. Kelades and Holohan earned “Fight of the Night” honors, while MacDonald and Aubin-Mercier each won “Performance of the Night” bonuses. UFC officials announced the winners at the night’s post-event news conference, which MMAjunkie attended. UFC Fight Night 54 took place at Halifax Metro Centre in Nova Scotia, Canada. The main card aired on FX following prelims on FOX Sports 2 and UFC Fight Pass. In the main event, MacDonald stopped Tarec Saffiedine with a vicious third-round TKO