The 40-year-old WNBA star boasts a U.S. national team resume that very few athletes in Olympic history can match. After two decades of dominance, she's chasing a historic fifth gold medal in Tokyo.
The 17-year-old "Alaskan assassin" upset reigning gold medalist and world record holder Lilly King in the 100-meter breaststroke, lifting U.S. swimming and electrifying her hometown fans.