Cuban boxer Yudel Johnson, right during his fight against Willie Nelson at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas, Nelson won a unanimous decision. mpsportimages.com

Cuban boxer Yudel Johnson, left, during his fight against Willie Nelson at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas, Nelson won a unanimous decision. mpsportimages.com

Cuban boxer Yudel Johnson, left, during his fight against Willie Nelson at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas, Nelson won a unanimous decision. mpsportimages.com

Cuban boxer Yudel Johnson, left, during the fight against Willie Nelson at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas, Nelson won a unanimous decision. mpsportimages.com

Cuban boxer Yudel Johnson, right during his fight against Willie Nelson at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas, Nelson won a unanimous decision. mpsportimages.com

Cuban boxer Yudel Johnson, front, during his fight against Willie Nelson at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas, Nelson won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey, left, during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey, right, during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey, left, during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey sits on his stool during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey, left, during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey, left, during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com

Cuban boxer Rances Barthelemey, right, during his fight against Robert Osiobe at Texas Station Hotel on Friday, May 11, 2012 in Las Vegas. Barthelemey won a unanimous decision. mpsportimages.com