Filed under: Friday Afternoon Video -- LL Cool J Unplugged LL Cool J does "Mama Said Knock You Out" on MTV Unplugged By Adam J. Morris Feb 27, 2015, 2:00pm CST Share this story Share this on Facebook Share this on Twitter Share this on Reddit Share All sharing options Share All sharing options for: Friday Afternoon Video -- LL Cool J Unplugged Reddit Pocket Flipboard Email Kirby Lee-USA TODAY Sports LL Cool J does "Mama Said Knock You Out" on MTV Unplugged