Alex of We Got This Covered wrote, "Documentary film making is all about timing. If the story is there, it’s a simple process of pressing record and editing it together. If the story isn’t there, there’s no hope for the film. Thankfully for filmmakers Daniel Lindsay and T.J. Martin, the timing couldn’t have been better when it came to making Undefeated." (Blu-ray, Undefeated) 4.5/5