Greta Van Susteren received a surprise phone call from none other than Mike Tyson! The former heavyweight champion congratulated Greta on On the Record’s move to 7p ET.

Tyson said he will “absolutely” appear on the air in the future … as a co-host. Joking aside, he promised Greta, “You let me know, and I’m there.”

Watch the clip above and don't forget to tune in to On the Record, weeknights at 7p ET.