Seishiro Sakamoto was hit by a pitch during a Kyoiku League game against Orix on March 7. The Hanshin Tigers announced today that he had surgery to treat a fracture in his right thumb at a hospital in Osaka.
Source: Nikkan Sports 3/10/2017
[UPDATE 4/12 @ 10:19pm]
Sakamoto could begin a throwing program some time this month. He caught Masumi Hamachi’s bullpen session on April 8, but had a trainer throw the ball back to the pitcher.
Source: Sanspo 4/9/2017
[UPDATE 4/22 @ 9:08pm]
Sakamoto resumed taking live batting practice on April 21. He took about eighty swings and hit four over the fence.
Source: Sanspo 4/22/2017