Greatest Hits: Sergey Kovalev

Take a look at some of Sergey Kovalev’s greatest hits ahead of his return to the ring against Igor Mikhalkin. Kovalev vs. Mikhalkin happens Saturday, March 3 at 10:05 pm ET/PT. Subscribe to the HBO Boxing YouTube channel: HBO Boxing on Instagram: HBO Boxing on Snapchat: HBO Boxing on Facebook: HBO Boxing on Twitter: HBO Boxing Podcast on Sou