Shohei Otani hurt his left hamstring while running to first base in the first inning of a game against the Orix Buffaloes on April 8. He was examined by the team doctor and diagnosed with a second degree strain in his biceps femoris. He will likely require four to six weeks for a full recovery.
Otani also came down with a fever on the evening of April 8. He remained at the team hotel in Osaka on April 9 and returned to Tokyo on April 10. He was tested at a hospital in Tokyo on diagnosed with influenza B. A team trainer told reporters today that his temperature was back to normal.
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Source: Sports Hochi 4/9/2017, Sports Hochi 4/10/2017, Sports Hochi 4/11/2017, Daily Sports 4/10/2017, Daily Sports 4/11/2017, Daily Sports 4/12/2017, Nikkan Sports 4/8/2017, Nikkan Sporst 4/9/2017, Nikkan Sports 4/10/2017, Nikkan Sports 4/11/2017, Nikkan Sports 4/11/2017, Sponichi 4/8/2017, Sponichi 4/8/2017, Sponichi 4/9/2017, Sponichi 4/9/2017, Sponichi 4/10/2017, Sponichi 4/10/2017, Sponichi 4/11/2017
[UPDATE 4/13 @ 5:21pm]
Assuming Otani’s fever does not return, he should be able to move back to the Ni-gun facilities in Kamagaya on April 14.
Source: Sports Hochi 4/13/2017
[UPDATE 4/15 @ 12:01am]
Otani returned to the Ni-gun facilities in Kamagaya on April 14.
[UPDATE 4/15 @ 10:11pm]
Otani started a rehab program at the Ni-gun facilities in Kamagaya. He will be re-examined at a hospital on April 25. If there is no internal bleeding, he will be able to resume outdoor practices.
[UPDATE 4/17 @ 5:30pm]
Otani continued his rehab at Kamagaya today. He again spent some time in an oxygen capsule and had ultrasound treatment. He rode a stationary bicycle for the first time since his injury. A team trainer is modifying his workout schedule based on his condition. He still feels pain in the leg.
Source: Tokyo Sports 4/17/2017
[UPDATE 4/18/2017 @ 6:48pm]
According to a report by Tokyo Sports, the Fighters are denying they did anything wrong by allowing Otani to practice/play through his ankle injury because they let him make the decision. The rules they made, like “no running at full speed,” or “no stepping on the bag with the right foot,” were set by the team as a reminder for Otani not to overextend himself because of his injury.
It should be noted that the Fighters are not necessarily trying to evade any blame for Otani’s current condition, but rather trying to explain the process in which the decisions were made, particularly in light of the recent criticisms made by various outlets.
Source: Tokyo Sports 4/18/2017
[UPDATE 4/19 @ 4:09pm]
A team trainer told reporters on April 18 that Otani still needed more time before he could take regular walks outdoors because he had difficulty taking big strides. He is able to take brief walks indoors with small strides.
Otani did some throwing during practices today. He lightly threw (without using his legs) around fifty baseballs into a net about two meters away from him.
[UPDATE 4/20 @ 10:10pm]
Otani’s workouts today included weights for the upper-half of his body and more throwing into a net (about fifty throws). He will rest tomorrow and resume workouts again on April 22. He was still dragging his left foot while walking.
[UPDATE 4/23 @ 6:41pm]
Otani continued his workouts on April 22. He worked on his upper body and also threw about eighty pitches into a net.
Source: Nikkan Sports 4/23/2017
[UPDATE 4/24 p 2:28pm]
Otani held workouts outdoors today for the first time since his hamstring injury (he did some walking in the outfield). He returned indoors to play catch and for throwing exercises.
Source: Nikkan Sports 4/24/2017
[UPDATE 4/25 @ 6:43pm]
Otani walked for about fifteen minutes in the outfield on April 24. He threw roughly sixty baseballs into a net. When playing catch, he threw the ball thirty times at a maximum distance of around fifteen meters. A team trainer told reporters they will be happy if Otani can get around to walking at a brisk pace before the end of the month.