Seigi Tanaka was shut down with right shoulder discomfort (inflammation) in mid-March. He started throwing again today — he threw thirty baseballs into a net about ten meters away from him.
[UPDATE 6/19 @ 1:34pm]
Tanaka tossed batting practice on June 18. It was the first time he faced hitters since an intra-squad game on February 23. He threw forty pitches, including breaking pitches, to three Ikusei players. He allowed two could-be hits and threw eighteen pitches for balls. He is slated to pitch an inning during a San-gun rehab game against Saibu Gas on June 23.
Source: Nikkan Sports 6/19/2017
Tanaka threw thirty-two pitches off the mound at Tama Home Stadium Chikugo today. He topped out at 148km/h. He is still scheduled to pitch in a San-gun exhibition game against Saibu Gas on June 23.
Source: Nikkan Sports 6/22/2017
[UPDATE 6/23 @ 5:40pm]
Tanaka pitched in a San-gun exhibition game against Saibu Gas today. He entered the game in the fifth inning and did not allow a run over an inning of work. He faced three hitters (F9, Ks, F7), threw thirteen pitches (just one breaking pitch), and topped out at 144km/h.
[UPDATE 7/20 @ 10:16pm]
Tanaka played catch at the Chikugo facilities on July 19. He started tossing bullpen sessions today. He threw about twenty pitches to a standing catcher.
[UPDATE 8/19 @ 4:27pm]
Tanaka pitched in a batting practice scrimmage today. He faced twelve batters (combination of Kyle Jensen, Ryoya Kurihara, and Kaisei Sone), allowed one hit, struck out two, and walked one. This was the first time he face hitters since a San-gun game on June 23.
Assuming no setbacks, he could pitch in a San-gun inter-league game on either August 22 or 23.
[UPDATE 9/9 @ 12:08am]
Tanaka threw about sixty pitches in the bullpen on September 7. He is slated to pitch one inning during a San-gun game against the Ehime Mandarin Pirates on September 10. This will be his first outing since a San-gun game against the Tokushima Indigo Socks on August 23.
If Tanaka is feeling okay after his appearance on September 10, he could pitch in another San-gun game on September 13 against the Kochi Fighting Dogs.
Source: Nikkan Sports 9/8/2017
[UPDATE 9/23 @ 2:12am]
Tanaka is scheduled to make his Ni-gun debut on September 23. He is slated to start a Ni-gun game against Hanshin at Tama Home Stadium Chikugo. He threw forty pitches in the bullpen on September 21.
Source: Nikkan Sports 9/22/2017
[UPDATE 9/23 @ 10:32pm]
Tanaka started a Ni-gun game against Hanshin today. He gave up two runs on two hits over three innings of work. He threw forty-two pitches and topped out at 149km/h.
Tanaka retired the side in order in the first and third innings. He allowed two runs to score after recording two outs in the second inning. He walked Yutaro Itayama, Itayama stole second, he allowed a run to score on a timely hit by Naoto Nishida, Nishida advanced to second on a wild pitch, and he gave up another timely hit to Shinya Azuhata.