Shirley Cruz Traña

Cruz began her football career at CF Universidad in San Pedro, San José. Cruz made a name for herself following her performance at the 1999 edition of the Los Juegos Deportivos Nacionales de San Carlos, translated as the National Sporting Games of San Carlos. She later played for local clubs AD Goicoechea, CS Desamparados, and UCEM Alajuela. With Alajuela, Cruz won three league titles and also earned the top scorer award once. Due to her performances locally, she signed with UCEM Alajuela and, in January 2006, moved abroad signing with Division 1 Féminine club Olympique Lyonnais. Due to joining the club mid-season, Cruz appeared in only seven league matches scoring three goals. The 2006–07 season saw her playing time increase to 12 matches and also saw Lyon win their first league title under their new emblem. In the Challenge de France, Cruz was instrumental in helping Lyon reaching the final, where they lost to Montpellier on penalties scoring four goals in five appearances. The next season saw Lyon win the double following their league title and 3–0 victory over Paris Saint-Germain in the Challenge de France. Cruz appeared in 32 total matches, which included appearances in the UEFA Women's Cup. Cruz appeared in all 22 league matches (starting 20) during the 2008–09 season, which saw Lyon win their third straight title. She also appeared in all seven UEFA Women's Cup matches, where Lyon suffered elimination in the semi-finals after losing 2–4 on aggregate to German club FCR…

Cruz has earned caps with the Costa Rican under-19 and under-20 women's teams. Her first appearance with the senior team occurred at the 2002 CONCACAF Women's Gold Cup, which served as a qualifying tournament for the 2003 FIFA Women's World Cup. Following a match in 2004 against Canada, in which she suffered a sprained right knee, Cruz did not feature with the national team for the next two years, due to commitments with her football club. In 2006, she made herself available for selection making her return to the team during qualification for the 2006 CONCACAF Women's Gold Cup. Costa Rica qualified for its first ever FIFA Women's World Cup tournament and Cruz captained the team at the 2015 FIFA Women's World Cup in Canada, playing all three of Costa Rica's matches.

Cruz was born in San José, capital city of Costa Rica, and discovered and learned the sport of football from her seven brothers.