"I want to try playing for a new team," said the 32-year-old Fujii, who pitched seven scoreless innings against the Yomiuri Giants in a 3- 2 defeat in Game 5 of the Japan Series last Thursday. "I look forward to strengthening myself."
Fujii helped the Yakult Swallows to the Central League pennant by compiling a league-high 14 wins in 2001, a year after he joined the team.
Fujii moved to the Fighters in 2008 and finished this past season with a 7-5 record with 3.53 ERA in 22 games.