Martinez vs. Chavez Jr.: Live Round-by-Round Results and Review Bleacher Report Martinez vs. Chavez Jr.: Live Round-by-Round Results and Review. By. Justin Tate. (Featured Columnist) on September 15, 2012. 7,802 reads. 9. Hi-res-hi-res-133539735_crop_exact. Bob Levey/Getty Images. Julio Cesar Chavez Jr. versus Sergio Martinez ...