Watch: Mike Tyson says he disliked 'Punch-Out!!' upon initial release

"Mike Tyson's Punch-Out!!," which celebrated its 30th anniversary this week, is widely considered one of the greatest NES video games ever released. But as Tyson revealed to TMZ Sports, he wasn't a fan of it initially.

"I had no idea it would be such a big thing," he said.

Here's Tyson playing the game in 2013, apparently for the first time: