Aldon Smith was reinstated under the substance-abuse policy by the NFL, and he will join the Cowboys' roster after not playing since 2015. #NBCSports #ProFootballTalk #NFL » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub... » Watch Live Sports on NBCSports.com: http://www.nbcsports.com/live » Get more Pro Football Talk on NBC Sports: https://profootballtalk.nbcsports.com/ NBC Sports Group serves sports fans 24/7 with premier live events, insightful studio shows, and compelling original programming. NBC Sports is an established leader in the sports media landscape with an unparalleled collection of sports properties that include the Olympics, NFL, Premier League, NHL, NASCAR, PGA TOUR, the Kentucky Derby, Tour de France, French Open, IndyCar and many more. Subscribe to our channel for the latest sporting news and highlights! Mike Florio, creator of the industry-leading Profootballtalk.com, offers his NFL insight alongside regular guests, including former NFL athletes such as Chris Simms. Pro Football Talk informs and entertains with the most up-to-date news and analysis surrounding the topical NFL stories of the day. Visit NBC Sports: https://www.nbcsports.com Find NBC Sports on Facebook: https://www.facebook.com/NBCSports Follow NBC Sports on Twitter: https://twitter.com/nbcsports Follow NBC Sports on Instagram: https://www.instagram.com/nbcsports/ Cowboys' Aldon Smith reinstated by NFL under substance-abuse policy | Pro Football Talk | NBC Sports https://www.youtube.com/nbcsports