This was the third UFC event in Philadelphia and the first since UFC 133 in August 2011. 　　A lightweight bout between Edson Barboza and former WSOF Lightweight Champion Justin Gaethje served as the headliner. 　　A strawweight bout between Alexa Grasso and Marina Rodriguez was scheduled at UFC Fight Night: Assunção vs. Moraes 2. However, it was reported on December 17, that Rodriguez... (展开全部)