Sergey Kovalev Feature (HBO Boxing)

Subscribe to the HBO Sports YouTube: Get to know the light middleweight knockout artist. Kovalev vs. Sillakh happens along with Stevenson vs Bellew, Nov. 30 live on HBO. HBO Boxing on Facebook: The light heavyweight champion shares his story. Stevenson vs Bellew happens along with Kovalev vs. Sillakh, Nov. 30 live on HBO. HBO Boxing Official Site: HBO Sports on HBO GO® HBO Boxing