White: GSP vs. Diaz planned for March 16th

According to UFC president Dana White, the promotion has offered both GSP and Diaz a fight on March 16 in Montreal for the UFC welterweight title, however, the "deal isn't done" yet, White told MMAFighting.com Wednesday.
Diaz's manager Cesar Gracie confirmed the fight has been offered to Diaz, however, he said Diaz has yet to sign the contract.