In 1998, Hsu joined
Taichung Agan, a baseball club in the now-defunct
Taiwan Major League. His outstanding performance with Agan in the 1998 and 1999 seasons has been compared with
Daisuke Matsuzaka by the
Taiwanese media. In 2000, he joined the
Seibu Lions of the
Pacific League in Japan. In 2012, after 12 seasons with the Lions, he moved to the
Orix Buffaloes, where he played 2 seasons. In 2014, he returned to Taiwan, playing for the
Lamigo Monkeys in the
Chinese Professional Baseball League. ==International experience==