Irwin Rivera Replaces Mike Davis Against Giga Chikadze at UFC Fight Night 172
On short notice, a champion from another promotion has stepped up to join the ranks of the Ultimate Fighting Championship.
https://www.sherdog.com/news/news/Irwin-Rivera-Replaces-Mike-Davis-Against-Giga-Chikadze-at-UFC-Fight-Night-172-172882
