Marco Antonio Rubio is a Mexican former professional boxer who competed from 2000 to 2015. He held the WBC interim middleweight title in 2014, and challenged twice for a middleweight world title in 2009 and 2012.

Carlos Manuel Baldomir is an Argentine former professional boxer who competed from 1993 to 2014. He held the WBC, The Ring, and lineal welterweight titles in 2006, and challenged once for the WBC super welterweight title in 2007. On July 31, 2019, Baldomir was sentenced to 18 years in prison for molesting his 8 year old daughter over a period of 2 years. In March 2020 false rumors spread that Baldomir had been killed in a prison riot after a picture was shared online of a deceased prisoner that bore a striking resemblance to the disgraced boxer.