One of the most DANGEROUS boxers in the world! Boxing Legends TV counts down the Top 10 Sergey Kovalev Knockouts.<br /><br />1) Sergey Kovalev vs Nadjib Mohammedi<br />2) Sergey Kovalev vs Cornelius White<br />3) Sergey Kovalev vs Lionell Thompson<br />4) Sergey Kovalev vs Gabriel Campillo<br />5) Sergey Kovalev vs Daniel Chavez<br />6) Sergey Kovalev vs Nadjib Mohammedi<br />7) Sergey Kovalev vs Darnell Boone II (2)<br />8) Sergey Kovalev vs Nathan Cleverly<br />9) Sergey Kovalev vs Blake Caparello<br />10) Sergey Kovalev vs Jean Pascal
