From Feld Entertainment:
Due to the increasing spread of COVID-19 and expanding restrictions on domestic and international travel, and in accordance with national, state and local governments prohibiting large group gatherings, the Monster Jam shows scheduled on March 21-22, 2020 at Sam Boyd Stadium in Las Vegas have been postponed.
The future date is yet to be announced; please hold on to your tickets, and you will be contacted as soon as the new date is confirmed.
Should you choose to receive a refund, contact UNLVtickets at 702-739-FANS.