Timothy Bradley, the current WBO welterweight champion, is also from Cathedral City and graduated from Cathedral City High School.
Some of the notable fighters who have trained under Díaz include, Antonio Díaz, Julio Díaz, Timothy Bradley, Abner Mares, Vicente Escobedo Christopher Dragoo and UFC fighter Cub Swanson.
Bill Bradley | Timothy Leary | Timothy Dalton | Milton Bradley | Timothy Spall | Omar Bradley | Timothy West | Timothy F. Murphy | James Bradley | Timothy Geithner | Bradley | Timothy Zahn | Timothy Hutton | Marion Zimmer Bradley | Bradley Wiggins | Timothy Hackworth | Timothy Greenfield-Sanders | Timothy Findley | Allen-Bradley | Timothy McVeigh | Milton Bradley Company | M2 Bradley | Harold Bradley | Bradley Cooper | Tom Bradley | Timothy McSweeney's Quarterly Concern | Timothy Matlack | Leslie Bradley | Edward R. Bradley | Bradley International Airport |
Alexander climbed into the welterweight division after struggling to make weight against Andriy Kotelnik, WBO junior welterweight beltholder Timothy Bradley and Lucas Matthysse.
Two defences of the title followed in 2007 with wins over Mexican Arturo Morua (TKO 9) and Guyanan Vivian Harris (KO 7) before on 10 May 2008, losing the belt to mandatory challenger Timothy Bradley via split decision.