Sports Thiago Santos tore ACL, MCL, PCL and meniscus during bout vs. Jon Jones at UFC 239 July 8, 2019 Steven Marrocco, MMA Junkie Comments Off on Thiago Santos tore ACL, MCL, PCL and meniscus during bout vs. Jon Jones at UFC 239 Thiago Santos tore his ACL, MCL, PCL and meniscus in his left knee during his UFC 239 bout vs. Jon Jones, an MRI revealed.