United States' Michael Phelps, Conor Dwyer, Ricky Berens , Ryan Lochte , Men's 4 x 200 m freestyle relay , London 2012 Olympic Games . 男子4x200米自由泳接力 , 2012倫敦奧運 .

 (AP Photo/Mark J. Terrill)

 (Photo by Clive Rose/Getty Images)

 (Photo by Al Bello/Getty Images)

Michael Phelps Wins His 19th Olympic Medal | 7 | Socialite Life http://socialitelife.com/photos/michael-phelps-wins-his-19th-olympic-medal/olympics-day-4-swimming-12
It's No. 19 and counting for Michael Phelps | www.kirotv.com http://www.kirotv.com/ap/ap/top-news/phelps-finishes-second-again-for-18th-career-medal/nP7dC/
 Day 4 highlights from London [Updated 16:10 7/31] | Reach For The Wall http://reachforthewall.com/2012/07/31/day-4-highlights-from-london/
Michael Phelps Wins His 19th Olympic Medal | 2 | Socialite Life http://socialitelife.com/photos/michael-phelps-wins-his-19th-olympic-medal/olympics-day-4-swimming-14
Michael Phelps’ gold rush continues: 800m freestyle relay medal is record 19th | Reach For The Wall
http://reachforthewall.com/2012/07/31/michael-phelps-gold-rush-continues-800m-freestyle-relay-medal-is-record-19th/