
Julio Cesar Martinez Aguilar entered this fight with a pro boxing record of 14-1-0 (11 KOs=79%) and he is ranked as the No.3 flyweight in the world (currently the #1 in this division is Kosei Tanaka). He suffered his only loss at his pro boxing debut against Joaquin Cruz in 2015 (via split decision), since then he has won 14 consecutive bouts taking revenge on Cruz in 2016 and beating Irvin Ordaz and Andrew Selby in 2019 (Andrew Selby vs Julio Cesar Martinez Aguilar). In his last bout he faced Charlie Edwards but the bout ended in a controversial no-contest (fight originally announced as a KO win for Martinez, Charlie Edwards vs Julio Cesar Martinez Aguilar).
His opponent, the former Wbc Flw champion Cristofer Rosales, has a record of 29-4-0 (20 knockouts) and he entered as the No.6 in the same weight class. He lost to Charlie Edwards last year (Cristofer Rosales vs Charlie Edwards) but he came back to win against Eliecer Quezada in 2019. Martinez vs Rosales is valid for the vacant WBC World flyweight title; undercard of Daniel Jacobs vs Julio Cesar Chavez Jr. Watch the video and rate this fight!