Yoshida was drafted in the seventh round on Monday by the Kobe 9 Cruise team in the independent Japanese League, which opens its first season in April.
Yoshida has been playing baseball since the second grade. She says she began throwing the knuckler after her father showed her a video of Tim Wakefield.
Yoshida took part in a tryout held earlier this month and passed with flying colors. The right-hander held male batters hitless for one inning in the tryout and her successful outing helped her become one of the 33 players picked in the draft.