Seventeen years after their first meeting at UFC 47, Nick Diaz and Robbie Lawler are set to throw hands in the UFC octagon once again, and the MMA world can’t wait to see it happen.

Former Strikeforce welterweight champion Diaz returns after more than six years away from the octagon to face former UFC welterweight champion Lawler on the main card of UFC 266 on Saturday night, and the story that has led the two fighters back to the octagon to face off is a compelling one.

Ahead of fight night, check out the full story behind the Diaz-Lawler rivalry, including that first meeting in 2004, in the latest episode of UFC Countdown.