Former NBA point guard Nate Robinson learned the hard way that crossing over into a new sport isn’t easy. Robinson took on YouTube sensation Jake Paul in an exhibition boxing match leading up to the Mike Tyson-Roy Jones Junior fight and was out cold less than 2 minutes into the second round.

Then, we saw Tyson make his return to boxing over the weekend taking on Roy Jones Junior. Both fighters showed flashes of their former greatness, with Tyson being the more active fighter, in a fight that ultimately resulted in a draw.

Hear what a former NFL tight end, who played for the Denver Broncos and Baltimore Ravens, Shannon Sharpe have to say about the fights: