Video: Jadeveon Clowney smokes Johnny Manziel in the 40 SEC Football Videos @SECvideos Tweet Published February 24, 2014 - 9:56am NEW: Follow on facebook - Jadeveon Clowney timed at an unofficial 4.47 40 at #NFLCombine. #SEC speed. — Saturday Down South (@SDS) February 24, 2014 Related: Dee Ford talks a little trash about Clowney [H/T @WillBrinson] Tags: Jadeveon Clowney, Johnny ManzielJoin 50,000 Other SEC FansToo busy to keep up with SEC Football each day? We will email you a summary of all things SEC football only when important news happens. Interests Anything SEC FootballSEC Football RecruitingAlabama Crimson TideArkansas RazorbacksAuburn TigersFlorida GatorsGeorgia BulldogsKentucky WildcatsLSU TigersMississippi RebelsMississippi State BulldogsMissouri TigersSouth Carolina GamecocksTennessee VolunteersTexas A&M AggiesVanderbilt Commodores"Thank you for making it so easy to keep up with my team.You provide SEC fans with an amazing, free service!"