The rapper’s 1991 hit “Mama Said Knock You Out” provides the soundtrack for Pfizer’s cancer-busting commercial.

Thanks in part to LL Cool J‘s "Mama Said Knock You Out," Pfizer's new Super Bowl commercial will leave viewers feeling hyped about the medical company's ongoing cancer research - but because of the ...

"Mama said knock you out." It's a song with lyrics that Serena Williams delivers soothingly in a poignant new spot for partner Chase with her nearly one–year-old daughter Olympia With lines ...