Seibu professional baseball team's ace pitcher Mitsunari Takahashi entered the bullpen for the first time at a camp held in Miyazaki Prefecture. Pitcher posted a record of 10 wins, 8 losses, and an ERA of 2.21, second in the league, last season.

He is aiming for a ball speed of 160 km/h, and during his self-training this off-season, he focused on weight training, mainly focusing on his lower body and core, and increased his weight by 7 kg from last year to 112 kg.