Atsushi Kita hurt his left shoulder while playing defense in a practice game against the Yokohama Bay Stars today. He was later taken to the hospital and diagnosed with a fracture dislocation in his left shoulder. He will require four weeks for a full recovery.
Kita started the game at first and suffered the injury while going after a grounder in the 1st inning.
Source: Nikkan Sports 2/16/2013