EntityQ738706· pop 19· linked from 111 articlesJohn RuizSign in to saveAmerican former professional boxerListeners · Last.fmListeners5Total plays10 <a href="https://www.last.fm/music/John+Ruiz">Read more on Last.fm</a>via Last.fm · John RuizConnectionsHBOEntityManchester ArenaEntityCategories1972 births20th-century American sportsmenAmerican male boxersAmerican people of Puerto Rican descentLiving peopleSportspeople from Chelsea, MassachusettsSportspeople of Puerto Rican descentWorld Boxing Association championsWorld heavyweight boxing champions