Kazuhisa Makita was taken off the active roster today with pain in his right knee. Head Coach Tetsuya Shiozaki told reporters Makita was okay to pitch (his shoulder and elbow are fine), but was unable to run.
Source: Sanspo 6/16/2016
[UPDATE @ 11:37pm]
Shiozaki also told reporters Makita first started having problems around May.
Source: Chunichi Sports 6/16/2016