Yuhei Takai was diagnosed with a ruptured anterior cruciate ligament. There is a chance he will require surgery and may not be able to return this season.
Shingo Kawabata will have surgery to remove a bone fragment in his left ankle on the 22nd. It may be about two months before he can play again.
Source: Daily Sports 4/19/2013
Sho Aranami (Yokohama) was examined at a hospital in Yokohama and diagnosed depressed fracture in his right cheekbone. He was removed from the active roster today and will go under the knife on the 22nd.
Source: Sponichi 4/19/2013
The Chunichi Dragons announced today that Kei Nomoto was diagnosed with a fissured fracture in his right third rib after an evaluation at a hospital in Nagoya. He will likely require about six weeks for a full recovery. Nomoto suffered the injury during a Ni-gun game against Hanshin on the 17th.
Source: Sports Hochi 4/19/2013