He is best known as the former coach of Gennady Golovkin, and has trained other boxers such as Lupe Aquino, Terry Norris, Murat Gassiev, and Arsen Goulamirian.

He went on to train other world champions during the 1990s, including Miguel Ángel González, Paul Vaden, Frans Botha, and Nana Konadu.

The house, which is nicknamed The Summit, was initially intended for Sanchez's friend and famed trainer Emanuel Steward to use to conduct training camps and was built at altitude in order to help athletes improve their aerobic conditioning.

Since then, he's worked with other active boxers like Sullivan Barrera, Murat Gassiev, Denis Shafikov, Michel Soro, Alfredo Angulo, Joe Joyce and Arsen Goulamirian.

[8] In 2015, Sanchez won the Futch-Condon, an award given by the Boxing Writers Association of America to honor the best trainer of the year.