By Dan Ambrose: The self-hyping unbeaten Keith Thurman (18-0, 17 KO’s) will be taking a big step up in class on Saturday night against #4 WBO, #6 IBF, #15 WBC junior middleweight contender Carlos Quintana (29-3, 23 KO’s) in a scheduled 10 round bout on the undercard of the Robert Guerrero vs. Andre Berto fight card on HBO at the Citizens Business Bank Arena, in Ontario, California, USA.
This is going to be a really interesting fight to see how the 23-year-old Thurman does against the southpaw Quintana because this is such a huge step up in class for Thurman. Quintana can do a lot things and he’s arguably a lot more skilled than Thurman. However, we’ve seen fights where Quintana has struggled against big punchers in losses to Andre Berto and Miguel Cotto. We’ve also seen Quintana taken out in one round by Paul Williams, who never was a huge puncher.

