In this boxing video, Kathy Duva, the promoter of Sergey Kovalev talks Hopkins vs Kovalev and says it took 27 hours to make, how Sergey got his nick name and much more.<br /><br />For more Boxing and MMA videos log onto http://www.fighthubtv.com<br />Like us:http://on.fb.me/xWRC1f<br />follow us:http://bit.ly/wACkIv<br />Boxing videos! MMA videos! uploaded daily! Subscribe:http://goo.gl/vnzIb
