Dos Santos tells it straight: Lesnar has a 'weak chin'

Care for a "Dos?" Junior Dos Santos plans to unleash some of this on Brock Lesnar. Dave Mandel/Sherdog.com

Junior Dos Santos sat at home and watched as Shane Carwin and Cain Velasquez sent Brock Lesnar sprawling to the mat, and he came to the same conclusion as many fellow onlookers: WWE stars cannot take a punch. More »