Rey Mysterio reveals that the WWE received cease and desist letters due to his Marvel outfits at WrestleMania. Over the years ...

Roger Federer and Elmo from Sesame Street seem to disagree on the letters of the alphabet in a Super Bowl ad for ON running shoes.

Kendrick Lamar sported a letterman-style jacket during his Super Bowl halftime performance Sunday, but it wasn’t repping either team on the field.

Watch as Elmo sits in an umpire's chair and debates the two letters found on Federer's On-branded sneakers: Is it 'Q' and 'C' or 'O' and 'N'?

Plus: A heartwarming story of sports unity, why we need Black History Month, self-driving vehicles and more.