Zuffa, LLC, owner of the Ultimate Fighting Championship®, released a statement today regarding UFC welterweight Matt Riddle and featherweight Francisco Rivera:
“We’ve been informed by the Calgary Combative Sports Commission that Matt Riddle and Francisco Rivera tested positive for banned substance following their bouts at UFC 149. UFC has a strict, consistent policy against the use of banned drugs and performance-enhancing stimulants, including the requirement that all incoming athletes be tested and cleared. Therefore, we fully support the drug testing efforts of the Calgary Combative Sports Commission and will fully cooperate with the Commission regarding this matter.”
Canada
Related Topics
Related News
Saturday, May 25
7pm/10pm
PTET
Las Vegas, Nevada
Media
Recent
Popular
Watch the UFC Fight Club Q&A with heavyweight contender Daniel Cormier live on Friday, May 24, 2013 at 5pm ET/2pm PT.
24-May-2013
N. Diaz vs. R. Lawler, N. Diaz vs. K. Oishi, and D. Sanchez vs. B. Gassaway are featured in this episode of UFC Unleashed.
31-Oct-2005
UFC commentators Kenny Florian and Joe Rogan preview the two heavyweight bouts atop the UFC 160 fight card: Cain Velasquez vs. Antonio 'Bigfoot' Silva and Junior dos Santos vs. Mark Hunt.
3-May-2013
From pre-gaming to post-fight interviews, get an all-access look at the action inside Newark's Prudential Center for UFC 159: Jones vs. Sonnen.
28-Apr-2013

![Nike Junior Dos Santos Official UFC 160 Walkout T-Shirt [Blue]](http://www.ufcstore.com/img/product/resized/101/00452105-619101_catl_100.jpg?k=c6411bbc&pid=452105&s=catl&sn=ufcstore)
![UFC Pride Lantern T-Shirt [Yellow]](http://www.ufcstore.com/img/product/resized/622/00447909-645622_catl_100.jpg?k=78c2c9d9&pid=447909&s=catl&sn=ufcstore)



Comments