Jumpei Takahashi (left shin) tossed a bullpen session at the Chikugo facilities on May 4. He threw sixty fastballs to a squatting catcher. It was his first session to a squatting catcher since he turned pro.
Source: Daily Sports 5/4/2016
[UPDATE 5/5 @ 3:08pm]
Takahashi could make his debut during a San-gun two-game series against Tokushima (Shikoku Island League) at Chikugo that begins on May 21.
Source: Nikkan Sports 5/5/2016