On the 9th, Seibu announced that the coaching staff for the 2026 season has been decided. The new positions will be put in place starting with the 2025 fall training session.

The coaching staff for the 2026 season is as follows:

◆ 1st Army

Director 74 Fumiya Nishiguchi

Head Coach 91 Yusuke Torigoe

pitcher pitching coach 81 Kiyoshi Toyoda

pitcher Coach 95 Tatsuya Oishi

Battery Coach 96 Nakata Shota

fielder Fielder and Batting Coach 78 Toshihisa Nishi

Hitting Coach 83 Yoshiie Tachibana

infield defense and base running coach 87 Satoshi Kuroda (transferred)

outfield defense and base running Coach 84 Masato Kumashiro

◆ 2nd Army

Farm Manager 79 Tatsuya Koseki

Farm pitcher chief coach 72 Yoshihiro Doi

Farm pitcher coach 98 Tomoo Watanabe

Farm pitcher coach 93 Hayato Aoki

Farm pitcher coach 85 Daiki Enokida

Second team fielder chief coach 77 Ryutaro Tsuji (promoted)

Second team fielder coach 82 Kosuke Noda

Second team fielder coach 86 Shogo Akada

Second team fielder coach 88 Hiroyuki Oshima

Second team fielder coach 80 Keiji Ohbiki (transferred)

◆ 3rd Army

Third Army Chief Coach 97 Satoshi Aoki

Third team fielder coach 76 Norio Tanabe

Third team fielder coach 94 Yuji Onizaki

Third team fielder coach 89 Fuminori Kimura

Third team fielder coach 92 Masatoshi Okada (newly appointed)