Knockouts galore in brutal day of boxing

The undercard for Victor Ortiz and Andre Berto's welterweight bout in California was littered with bone-shuddering, fight-stopping knockouts.

Berto managed to turn the tables on Ortiz, stopping the 29-year-old in the fourth round to take a TKO victory.

But it was the lead-up fights that provided the most entertainment.

As you can see in the video above, American light heavyweight Thomas Williams Jr was first, knocking out Edwin Rodriguez for the 14th KO of his career.

David Benavidez then continued his undefeated streak with a brutal knockout of Phillip Jackson in the second round of their bout.

Then in a featherweight bout, Jorge Lara managed to knock down Fernando Montiel three times before putting him to sleep.

2016 certainly has been the year of the knockout after these other huge KOs: