Is Buster Douglas knocking out Mike Tyson the biggest upset in sports history , First Take

On the 31st anniversary of the boxing match, Stephen A. Smith and Max Kellerman look back on Buster Douglas knocking out Mike Tyson as a 421 underdog and debate whether it remains the biggest upset in sports history. ,FirstTake Subscribe to Get the ESPN App: Subscribe to ESPN on YouTube: Subscribe to NBA on ESPN on YouTube: Watch ESPN on YouTube TV: ESPN on Social Media: Follow on Twitter: Like on Facebook: Follow on Instagram: Visit ESPN on YouTube to get uptotheminute sports news coverage, scores, highlights and commentary for NFL, NHL, MLB, NBA, College Football, NCAA Basketball, soccer and more. More on