Relive one of the most surprising upsets in Boxing history. Ken Norton shocked the world, scoring a hard fought Split Decision victory over Muhammad Ali on March 31, 1973 at the Sports Arena in San Diego, California. #FuryWallin will headline the special Mexican Independence Day presentation of Top Rank on ESPN+ — the industry-leading sports streaming service — live Saturday September 14th beginning at 11 p.m. ET/ 8 p.m. PT. Try ESPN+ For Free: https://watch.espnplus.com/toprank/ Subscribe to our YouTube channel to get notified about the latest highlights, free full fights, and fight week content as it's posted. Follow Top Rank on Twitter: http://www.twitter.com/trboxing Follow Top Rank on Instagram: http://www.instagram.com/toprank Like Top Rank on Facebook: http://www.facebook.com/trboxing