Women in baseball 36 strikeouts. In 2008, Eri Yoshida, at 16 years old, became Japan's first professional female baseball player to play in a men's league by signing a professional contract with a new Japanese independent league. In April 2010, she signed a contract with the Chico Outlaws, becoming the first woman to play professionally in two countries. In 2009, Justine Siegal became the first female coach of a men's professional baseball team. In 2011, she was the first woman to throw batting practice to an MLB team, the Cleveland Indians at spring training. She also threw BP to the Oakland Athletics, Tampa
Chico Outlaws in major league history in hit a grand slam in his first at bat as he went deep to centerfield on the first pitch thrown to him. On June 1, 2010, Eri Yoshida, a 5 foot, 1 inch female knuckleball pitcher from Japan, pitched for the Outlaws. The Outlaws made history and defied the odds to sweep the Calgary Vipers to win the GBL North Division Title, then sweep Na Koa Ikaika Maui to capture their second GBL Championship in 2010, becoming the first team in league history to accomplish that feat, as well as going undefeated in the playoffs.