Nastia Liukin

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Reed Kessler

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Reed Kessler of the US Olympic Equestrian team poses for pictures during the 2012 Team USA Media Summit on May 14, 2012 in Dallas, Texas. AFP PHOTO/JOE KLAMAR

Jen Kessy

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Jen Kessy of the US Volleyball team poses for pictures during a photo session during the 2012 Team USA Media Summit on May 15, 2012 in Dallas,Texas.AFP PHOTO/JOE KLAMAR

Julie Zetlin

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Julie Zetlin of the US Gymnastics team poses for pictures during a photo session during the 2012 Team USA Media Summit on May 15, 2012 in Dallas,Texas.

Brittany Viola

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Maria Sharapova

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Logan Tom

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Natalie Coughlin

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competes in the XX during the XII FINA World Championships at the Rod Laver Arena on March 29, 2007 in Melbourne, Australia.

Heather Mitts

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Allyson Felix

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Shawn Johnson

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NEW YORK - MARCH 01: Shawn Johnson of the USA performs on the balance beam during the 2008 Tyson American Cup on March 1, 2008 at Madison Square Garden in New York City. (Photo by Chris Trotman/Getty Images)

Betsey Armstrong

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CHICAGO - APRIL 14: Water polo player Betsey Armstrong poses for a portrait during the 2008 U.S. Olympic Team Media Summitt at the Palmer House Hilton on April 14, 2008 in Chicago, Illinois

Christina Loukas

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Kara Patterson

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Shannon Rowbury

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Jessica Hardy

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PALO ALTO, CA - JULY 12: Jessica Hardy of the U.S. poses for a portrait during the U.S. Olympic Swim Team Media Day at Stanford University on July 12, 2008 in Palo Alto, California.

Alicia Sacramone

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Stephanie Rice

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Australia's Stephanie Rice (L), Bronte Barratt (R) and Kylie Palmer congratulate celebrate after team Linda Mackenzie arrivied first in the women's 4 x 200m freestyle relay swimming final at the National Aquatics Center during the 2008 Beijing Olympic Games in Beijing on August 14, 2008. Australia set a new world record in the women's 4x200 metres freestyle relay with a time of seven minutes 44.31 seconds in the final at the Beijing Olympics on Thursday. The United States held the previous record at 7:50.09 at last year's world championships in Melbourne. AFP PHOTO / MARTIN BUREAU

Tiffany Ross-Williams

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Tiffany Ross-Williams of the US looks at her score after competing in the women's 400m hurdles semi-final 2 at the "Bird's Nest" National Stadium during the 2008 Beijing Olympic Games on August 18, 2008. Jamaica's Melaine Walker finished first followed by Ukraine's Anastasiya Rabchenyuk, Ross-Williams and Czech Republic's Zuzana Hejnova. AFP PHOTO / OLIVIER MORIN

Kerri Walsh; Misty May-Treanor

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Sanya Richards

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Sanya Richards of the US crosses the finish line to win the women's 4x400m relay final at the National stadium as part of the 2008 Beijing Olympic Games on August 23, 2008. The US team won ahead of Russia and Jamaica. AFP PHOTO / WILLIAM WEST (Photo credit should read WILLIAM WEST/AFP/Getty Images)

Melanie Adams

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Arianna Errigo (R) and Elisa Di Francisca

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Duel bronze medalists Arianna Errigo (R) and Elisa Di Francisca (L) of Italy pose with medals after their Women's individual foil final at the World Fencing Championship in Antalya on October 4, 2009.

Lolo Jones

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US Lolo Jones celebrates her gold medal with a national flag at the end of the women's 60m hurdles final at the 2010 IAAF World Indoor Athletics Championships at the Aspire Dome in the Qatari capital Doha on March 13, 2010.

Agnieszka Radwanska

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Tsvetana Pironkova

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Jordan Larson

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Jordan Larson of the US (L) receives the ball while her teammate, Foluke Akinradewo (R) looks on during their Pool C preliminary round match against Germany at the FIVB 2010 Women's Volleyball World Championships in Matsumoto, some 200 kms northwest of Tokyo on October 31, 2010. The US beat Germany by 3-0 (25-23, 26-24, 25-17). AFP PHOTO / TOSHIFUMI KITAMURA

Alisha Glass

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US setter Alisha Glass (R) sets the ball in front of Cuba's Yoana Palacios during their final Pool C preliminary round match at the FIVB 2010 Women's Volleyball World Championships in Matsumoto, some 200 kms northwest of Tokyo on November 3, 2010. The US beat Cuba by 3-1 (30-28, 25-23, 22-25, 25-23). AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)

Dana Vollmer

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NEW YORK - NOVEMBER 22: Dana Vollmer of the U.S. National Swim Team poses for a photo on the red carpet prior to the 7th Annual Golden Goggle Awards at the Marriott Marquis on November 22, 2010 in New York City. (Photo by Mike Stobe/Getty Images)

Norway's Christina Vukicevic

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Norway's Christina Vukicevic is pictured after the 60m hurdles first round women's event of the European athletics indoor championships on March 4, 2011 at the Bercy Palais-Omnisport (POPB) in Paris. AFP PHOTO / BERTRAND GUAY (Photo credit should read BERTRAND GUAY/AFP/Getty Images)

Kristin Armstrong

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Daniela Hantuchova

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Yanina Wickmayer

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Yanina Wickmayer of Belgium returns a shot during her third round match against Svetlana Kuznetsova of Russia on Day Five of the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club on June 24, 2011 in London, England.

Maggie Vessey

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Kellie Wells

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Carli Lloyd

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Kara Goucher

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Jennifer Barringer Simpson

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Gold medallist Jennifer Barringer Simpson of the US waves to the crowd during the award ceremony for the women's 1500 metres hurdles event at the International Association of Athletics Federations (IAAF) World Championships in Daegu on September 2, 2011.

Anna Chicherova

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Hope Solo

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Margaux Isaksen

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United States pentathlon competitor Margaux Isaksen reacts to a shot score during the mixed discipline at the Pan American games in Guadalajara, Mexico on October 15, 2011. Mc Cann won the silver medal. AFP PHOTO/CRIS BOURONCLE (Photo credit should read CRIS BOURONCLE/AFP/Getty Images)

Dakota Earnest

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US Dakota Earnest celebrates her silver medal for the Rhythmic Gymnastics individual competition in the trampoline during the XVI Pan-American Games Guadalajara 2011 in Guadalajara, Jalisco, Mexico on October 18, 2011. AFP PHOTO/ Hector Guerrero (Photo credit should read HECTOR GUERRERO/AFP/Getty Images)

Katie O'Donnell

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Katie O'Donnell of the USA field hockey team during a game against Chile during day 7 of the XVI Pan American Games at the Pan American Hockey Stadium on October 21, 2011 in Guadalajara, Mexico.

Lauren Cheney

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Melissa Franklin

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finals during the 2011 AT&T Winter National Championships at the Georgia Tech Aquatic Center on December 2, 2011 in Atlanta, Georgia.

Rebecca Soni

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Caroline Wozniacki

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Victoria Azarenka

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during day thirteen of the 2012 Australian Open at Melbourne Park on January 28, 2012 in Melbourne, Australia.

Kelley O'Hara

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VANCOUVER, CANADA - JANUARY 22: Kelley O'Hara #5 of the United States plays the ball during their match against Guatemala at the 2012 CONCACAF Womenâ??s Olympic Qualifying Tournament at BC Place on January 22, 2012 in Vancouver, British Columbia, Canada. (Photo by Jeff Vinnick/Getty Images)

Alex Morgan

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Alexandra Raisman

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NEW YORK, NY - MARCH 03: Alexandra Raisman puts chalk on her hands before competing in the uneven parallel bars event at the 2012 AT&T American Cup at Madison Square Garden on March 3, 2012 in New York City. (Photo by Chris Trotman/Getty Images)

Jessica Ennis

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ISTANBUL, TURKEY - MARCH 09: Jessica Ennis of Great Britain looks on after victory in the Women's 800 Metres in the Pentathlon during day one of the 14th IAAF World Indoor Championships at the Atakoy Athletics Arena on March 9, 2012 in Istanbul, Turkey. (Photo by Ian Walton/Getty Images)

Chloe Sutton

Chloe Sutton attends the Endurance Live 20th Annual Awards Gala at Nokia Theatre L.A. Live on March 10, 2012 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images for Competitor Group)

Noel Vasquez/Getty Images for Competitor Group

Darya Klishina - Track & Field

Russia's Darya Klishina gets dressed to leave at the end of the women's long jump final at the 2012 IAAF World Indoor Athletics Championships at the Atakoy Athletics Arena in Istanbul on March 11, 2012. Klishina ended up in fourth place. AFP PHOTO / ARIS MESSINIS (Photo credit should read ARIS MESSINIS/AFP/Getty Images)

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Julia Goerges

Julia Goerges of Germany in action against Kim Clijsters of Belguim during Day 4 of the Sony Ericsson Open at Crandon Park Tennis Center on March 22, 2012 in Key Biscayne, Florida. (Photo by Al Bello/Getty Images)

during Day 4 of the Sony Ericsson Open at Crandon Park Tennis Center on March 22, 2012 in Key Biscayne, Florida.

Ana Ivanovic

Ana Ivanovic of Serbia celebrates winning her match against Daniela Hantuchova of Slovakia during day 7 of the Sony Ericsson Open at Crandon Park Tennis Center on March 25, 2012 in Key Biscayne, Florida. (Photo by Michael Regan/Getty Images)

Lauren Wenger

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Lauren Wenger of USA in action during the preliminary round match between USA and Hungary during the Visa Water Polo International test event ahead of the London 2012 Olympic Games at the Water Polo Arena on May 3, 2012 in London, England. (Photo by Julian Finney/Getty Images)

Mary Killman (L) and Mariya Koroleva

Mary Killman (L) and Mariya Koroleva of the US Synchronized Swimming team pose for pictures during the 2012 Team USA Media Summit on May 13, 2012 in Dallas,Texas.
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Diana Lopez - US Taekwondo Olympic

Diana Lopez of the US Taekwondo Olympic team poses for pictures during the 2012 Team USA Media Summit on May 13, 2012 in Dallas,Texas.AFP PHOTO/JOE KLAMAR (Photo credit should read JOE KLAMAR/AFP/GettyImages)

Jennifer Nichols -Archery

Archer, Jennifer Nichols poses for a portrait during the 2012 Team USA Media Summit on May 13, 2012 in Dallas, Texas. (Photo by Nick Laham/Getty Images)

poses for a portrait during the 2012 Team USA Media Summit on May 13, 2012 in Dallas, Texas.

Gwen Jorgensen -Triathalon

Triathlete, Gwen Jorgensen, poses for a portrait during the 2012 Team USA Media Summit on May 14, 2012 in Dallas, Texas. (Photo by Nick Laham/Getty Images)

Ernie Els by Nick Laham for SAP on March 28 in Houson, TX.

Cassidy Krug

Diver, Cassidy Krug, poses for a portrait during the 2012 Team USA Media Summit on May 14, 2012 in Dallas, Texas. (Photo by Nick Laham/Getty Images)

Ernie Els by Nick Laham for SAP on March 28 in Houson, TX.

Corey Cogdell -Shooting

Shooter, Corey Cogdell, poses for a portrait during the 2012 Team USA Media Summit on May 14, 2012 in Dallas, Texas. (Photo by Ronald Martinez/Getty Images)

<> on May 14, 2012 in Dallas, Texas.