Jake Paul and Nate Diaz's news conference turned physical after their faceoff.

Both camps' security teams got into a shoving match with punches thrown.

There has been bad blood between the two teams for nearly a year.

There has been bad blood between the two teams for nearly a year.

Paul responded, stating that a member of Diaz's team threw the first punch and got hit by a Paul security guard.

A member of Paul's Betr media team provoked Diaz with a question, adding to the tension.

The teams also clashed during Paul's fight against Anderson Silva in October the previous year.

Diaz reminded the security guard of the previous altercation during the media session.

Chris Avila, Diaz's teammate, expressed the belief that the security guard started the altercation.

The boxing match between Jake Paul and Nate Diaz was scheduled for Saturday night at the American Airlines Center.