Chico Outlaws They went on to sweep defending Champion Calgary in the first round of the playoffs. They signed 18-year-old female Japanese knuckleball pitcher Eri Yoshida, the first woman to play pro baseball in Japan, on April 9, 2010, to play the 2010 season. She is the first female pro baseball player in the United States in ten years. On June 24, the National Baseball Hall of Fame and Museum was on-hand and after Yoshida's start presented her with a plaque and collected her jersey and bat for inclusion in Cooperstown. The Outlaws were one of six former GBL teams to join
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.