The Seibu Lions announced on the 11th that Taiga Hirasawa underwent 'endoscopic decompression of the pars interarticularis' at a hospital in Hyogo Prefecture on November 6th to improve his symptoms. He is expected to take two to three months to return to action.

Hirasawa moved to the Seibu Lions in the 2024 off-season through the active player draft, and in this season, his second year after the transfer, he appeared in 91 games and recorded a .250 batting average, 3 Home Runs, and 19 RBI.