Saturday, August 4, 2012 4:02:14 PM NEWS ALERT Michael Phelps helps U.S. take men's 400-meter medley relay gold In what is expected to be his final Olympic swim, Michael Phelps helped the United States win the men's 400-meter medley relay Saturday to take his 22nd Olympic medal and 18th gold. The team of Phelps, Matt Grevers, Brendan Hansen and Nathan Adrian finished in 3:29.35. Read more at: http://www.washingtonpost.com/blogs/london-2012-olympics/wp/2012/08/04/live-blog-michael-phelpss-last-race-oscar-pistorius-serena-williams/#liveblog-entry-8616 Or visit washingtonpost.com . SEND TO A FRIEND UNSUBSCRIBE E-MAIL CENTER GET HELP Washington Post Digital E-mail Customer Care 1150 15th Street NW Washington, D.C. 20071   ©2011 The Washington Post Privacy Policy