“You don't get the opportunity to often to go against a specimen like that,” Joyner told reporters about practicing with WR Antonio Brown as the second week of organized team activities started May 28. SUBSCRIBE TO SUPPORT LOCAL JOURNALISM Mercury News http://bayareane.ws/2ClQyyV East Bay Times http://bayareane.ws/2qhvSql WATCH MORE VIDEOS: https://www.youtube.com/user/Mercurynews LET’S CONNECT Mercury News Facebook @ https://www.facebook.com/mercurynews Instagram @ https://www.instagram.com/mercnews/ Twitter @ https://twitter.com/mercnews East Bay Times Facebook @ https://www.facebook.com/eastbaytimes/ Instagram @ https://www.instagram.com/ebtimes/ Twitter @ https://twitter.com/EastBayTimes