On the 22nd, Nippon-Ham announced at the team's facility in Kamagaya City, Chiba Prefecture, that they had informed four pitcher, pitchers Naoya Ishikawa pitcher Suguru Fukuda pitcher, Kodai Yamamoto, and Daiju Hirata, that they would not be signing contracts for next season.

Naoya Ishikawa joined Nippon-Ham as the fourth pick in the 2014 draft, and made his breakthrough in 2018, pitching in 52 games with a record of 1 win, 2 losses, 18 hold, 19 ERA, and an ERA of 2.59. He pitched in 60 games the following year, but underwent Tommy John surgery on his right elbow in 2020. He pitched in 36 games in 2022, but only 16 games in 2023, and did not pitch in the first team in 2024 or 2025.

Suguru Fukuda joined Nippon-Ham as the seventh pick in the 2018 draft, and in 2022 he pitched in 13 games with ERA 0.87, and in 2023 he pitched in 29 games with ERA of 0.00, including 29 consecutive runs pitch from the start of the season. In 2024 he only pitched in two games, and this season he has not pitched in the first team, but has pitched in 17 games in the farm team with ERA of 1.80.