Beginning with his April 10, 1957 fight against Gil Cadilli, Moore had an 18-bout winning streak, ending when he lost to Carlos Morocho Hernández on March 17, 1960, with a TKO.

[1] In the tenth round, Ramos staggered Moore with a left and then continued to pummel him with blows until he fell, striking the base of his neck on the bottom rope and injuring his brain stem.

As Moore fought for life, Pope John XXIII made a statement calling the sport of boxing "barbaric", and "contrary to natural principles".

[4] His body lay in state at a South Los Angeles funeral home on Tuesday, March 26 for 10 hours; over 10,000 people filed by to pay respects.

Located in a public green space just south of downtown near his old neighborhood, the dedication attendees included Moore's widow Geraldine and Ultiminio "Sugar" Ramos, visiting from Mexico City.

Moore, played by John Bosco Jr., is featured as a character in the movie The Happiest Day in the Life of Olli Mäki that won the 'Prize Un Certain Regard' in the 2016 Cannes Film Festival.