Abby Wambach is a two-time Olympic gold medalist and the 2012 FIFA World Player of the Year. She is the all-time leader in goals for the U.S. Women's National Soccer Team.
Aimee Mullins became the first double-amputee to compete in an NCAA track & field meet. She went on to participate in the 1996 Paralympics and today is a sought-after motivational speaker and actress.
Alex Morgan is a professional soccer player and Olympic Gold medalist. She is a forward for Portland Thorns FC and member of the US Women's National Team.
Alexi Lalas played soccer for the U.S. Men's National Team from 1991-1998 and competed in two World Cups and Olympics. He currently serves as Fox Sports' lead soccer analyst.
Allyson Felix is the most decorated female track & field athlete in history, winning a total of nine Olympic medals, including a record six gold. She also won 18 World Championship medals.
Amanda Beard competed in four Olympics and won a total of seven medals, including two gold, four silver & one bronze. She is a former world record holder in the 200-meter breaststroke.
Amy Van Dyken is a retired Olympic swimming gold medalist and the first woman to win four gold medals. She was involved in an ATV accident that severed her spinal cord in 2014.
The most decorated American athlete ever at the Winter Olympics, Apolo Ohno is an eight-time speed skating medalist who won two gold, two silver and four bronze medals.