UFC boss says Mir vs. Velasquez, Griffin vs. Ortiz III in the works

According to UFC co-owner Lorenzo Fertitta, former UFC heavyweight champions Frank Mir and Cain Velasquez are on a collision course, while familiar foes and former light heavyweight champs Forrest Griffin and Tito Ortiz are in line for a trilogy bout.

Fertitta revealed the planned matchups overnight via Twitter.

No date for either fight was revealed.