Each day, The MMA Corner will provide a recap of results, event announcements, fight matchups, and injuries/cancellations from throughout the world of MMA.
Both fighters have finished enrollment for the Volunteer Anti-Doping Association (VADA) independent testing agency. Each will undergo random testing in an eight-week time period.
The testing methods are superior at detecting synthetic testosterone.
The two are expected to meet at UFC 152 Sept. 22 at the Air Canada Centere in Toronto, Ontario, Canada.
The ref cam is a small camera that will give viewers an up-close look at the fights from the perspective of the referee. The camera will be attached to the top button of the refs shirt.
UFC on Fox 4 takes place Aug. 4 from the Staples Center in Los Angeles. The prelims start 5 p.m. ET / 2 p.m. PT and the main card begins 8 p.m. ET / 5 p.m. PT.
The heavyweight veteran is added to the Oct. 13 card in Rio De Janeiro. UFC 153 will take place at the HSBC Arena.
He welcomes Geronimo Dos Santos for his first fight in the UFC.
The UFC 153 card continues to grow with this middleweight bout.
No placement order on the card has been announced .
Photo: BJ Penn wears the wounds of his war with Nick Diaz at UFC 137 (James Law/Heavy MMA)