In 2003, Yoshii returned to Japan, joining the Orix BlueWave. He was the team's opening-day starter that year but had surgery on his left ankle in August; he ended the season with only two wins.
In 2003, Yoshii returned to Japan and played for the Orix BlueWave. He started the season as their opening-day pitcher but underwent surgery on his left ankle in August; he finished the year with just two wins.