As just revealed during a press conference in Las Vegas, WWE has booked Cain Velasquez to take on Brock Lesnar for the upcoming WWE Crown Jewel pay-per-view in Saudi Arabia.

ESPN's Marc Raimondi is also reporting that Velasquez has signed a multi-year WWE deal and he has notified UFC of his retirement.

Velasquez made his shock WWE debut last Friday on SmackDown, confronting former UFC heavyweight champion and current WWE champion Brock Lesnar.

UFC did not return a request for comment.

After The Beast Incarnate regains the WWE Championship, his former UFC nemesis Cain Velasquez emerges with Rey Mysterio, and Velasquez hits Lesnar with a quick attack.