John Ruiz (The Quietman). He was born in Chelsea, Massachusetts, U.S. Is a retired an American former professional boxer who competed from 1992 to 2010, and held the WBA heavyweight title twice between 2001 and 2005. Ruiz is of Puerto Rican descent, and is the first Latino boxer to win a world heavyweight title. 

Sergei Kobozev..........................Fight #16
Carl Williams...............................Fight #17
Danell Nicholson.......................Fight #20
David Tua.....................................Fight #28
Jimmy Thunder.........................Fight #33
Ray Anis.......................................Fight #34
Tony Tucker.................................Fight #35
Mario Cawley..............................Fight #37
Fernely Feliz...............................Fight #38
Evander Holyfield I...................Fight #40
Evander Holyfield II..................Fight #41
Evander Holyfield III.................Fight #42
Kirk Johnson..............................Fight #43
Roy Jones Jr..............................Fight #44
Hasim Rahman..........................Fight #45    
Andrew Golota...........................Fight #47
James Toney...............................Fight #48
Nikolai Valuev I...........................Fight #49
Nikolai Valuev II..........................Fight #53

David Haye..................................Fight #54