Nate Diaz signed a contract.
Upon making his official professional MMA debut, Diaz competed mainly for World Extreme Cagefighting (WEC)
 Diaz is most known for his time spent fighting in the Ultimate Fighting Championship (UFC), where he fought for over 15 years after winning The Ultimate Fighter 5  Prior to signing with the UFC, Diaz competed in World Extreme Cagefighting, Strikeforce, and Pancrase

