Robert Guerrero vs. Gamaliel Diaz (2nd meeting)
2006-06-23 : Robert Guerrero 126 lbs beat Gamaliel Diaz 125½ lbs by KO at 2:33 in round 6 of 12
- Location: Oakland Arena, Oakland, California, USA
- Referee: Raul Caiz Jr
- Judge: Max DeLuca 48-45
- Judge: Barry Druxman 47-46
- Judge: Ralph McKnight 47-46
- NABF Featherweight Title (1st defense of Diaz)
- Diaz, never down as a pro, was down twice in round one, both times by partial shoves. He was KOed by a left to the solar plexus.
- Diaz won rounds 3-5, and inflicted a cut over the left eye in round five, probably due to an accidental butt.
- Blows were Guerero 100/254 39%; Diaz 166/272 61%.