Olympic rhythmic gymnastics champion Mamun retires at 22 Unknown 07:12 FOX Sports Digital, IFTTT MOSCOW (AP) Margarita Mamun, the Olympic all-around rhythmic gymnastics champion, has retired at the age of 22. from FOX Sports Digital http://ift.tt/2AiXGvr via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsUnscripted: Mindset of Badgers during 2000 Final Four runRiley Herbst crashes in tri-oval collecting Briscoe, othersLSU official: Football player quarantines were anticipatedUnscripted: Scott Sandelin talks about former Bulldogs in the NHLNBA sets draft for Oct. 16, opening of free agency Oct. 18Bray Wyatt tells Braun Strowman to ‘Follow The Buzzards’ in his SmackDown return