Koji Uehara (hamstring) will throw on flat ground Thursday and is lined up for a bullpen session this weekend.
Ian Browne of MLB.com writes that Red Sox manager John Farrell "seems less sold" on Koji Uehara (hamstring) than he did a week ago.
Koji Uehara (hamstring) played catch with good intensity Monday morning in Red Sox camp.
Koji Uehara (hamstring) went through some agility testing Sunday.
Koji Uehara (hamstring) played long toss on Friday without any difficulty.
Koji Uehara (hamstring) could long-toss on Friday.
Koji Uehara (hamstring) expects to be ready for Opening Day, but conceded Wednesday that it could be a "close call."
Red Sox manager John Farrell said that Koji Uehara will play catch, but won't get back on the mound until "he can tolerate the stress" in his strained left hamstring.
Koji Uehara suffered a strained left hamstring on Tuesday morning in Red Sox camp.
Koji Uehara allowed a run and three hits in his inning of work against the Pirates on Saturday.
Koji Uehara allowed one run and three hits in his inning Friday against the Marlins in his spring debut.
Koji Uehara acknowledged in Red Sox camp Monday that his arm bothered him at the end of the 2014 season.
Red Sox re-signed RHP Koji Uehara to a two-year, $18 million contract.
Nick Cafardo of the Boston Globe reports that there "have been preliminary talks" between the Red Sox and Koji Uehara, but "the sides aren’t close to a deal."