Sports·Posted on Oct 27, 2015These Athlete's Body Transformations Over The Years Will Blow Your Mind10 years can make a big difference.by Rawan EewshahBuzzFeed Sports Social EditorLinkFacebookPinterestTwitterMail 1. LeBron James Tap to play GIF Tap to play GIF 2. Cristiano Ronaldo Tap to play GIF Tap to play GIF 3. Michael Phelps Tap to play GIF Tap to play GIF 4. Serena Williams Tap to play GIF Tap to play GIF 5. Floyd Mayweather Tap to play GIF Tap to play GIF H/T exercisebike.net