Eri Yoshida play in the Golden Baseball League, the major independent minor league in western North America, by the Chico Outlaws. The Outlaws were managed by former major league all-star Garry Templeton and the team president and general manager was former Los Angeles Dodgers outfielder Mike Marshall. On March 2, 2010, she trained with Tim Wakefield at the Boston Red Sox minor league training facility. On April 8, 2010, she signed the contract with the Chico Outlaws and became the first female professional baseball player in the U.S. since the retirement of Ila Borders 10 years previously, and the first ever to
Arizona Winter League spring training section of the league the first week. On December 15 it was announced that Japanese female pitching sensation Eri Yoshida, who became the first female professional pitcher in her home country last summer, will bring her sidearm knuckleball and participate in the 2010 AWL in hopes of attracting the attention of U.S. teams. This should be a tremendous benefit for all the players as the media attention and scout attendance should increase greatly. On February 10, 2010 the New York Mets signed San Luis Atleticos shortstop Rylan Sandoval at the Arizona Winter League and the following week, the