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Koji Uehara | Relief Pitcher

Team: Boston Red Sox
Age / DOB:  (39) / 4/3/1975
Ht / Wt:  6'2' / 195
Bats / Throws: Right / Right
Contract: view contract details
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Recent News

Koji Uehara said his ailing left hamstring felt the "same as last time" when he tried to throw a bullpen session Monday.
Uehara hasn't pitched in a game since March 14 and remains unable to throw at 100 percent effort off a mound without his hamstring bothering him. The reliever is expected to begin the season on the disabled list and will likely hang back in extended spring training for a bit. Edward Mujica will be the Red Sox' primary closer while Uehara is on the shelf. Mar 30 - 9:17 PM

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Date:

Red Sox manager John Farrell said Monday that he doesn't expect Koji Uehara (hamstring) to be ready for Opening Day.

It's not a big surprise at this point. Uehara suffered a left hamstring strain about two weeks ago and is scheduled to throw a bullpen session Monday, but there's simply not enough time to get him ready for Opening Day. However, he should join Boston's bullpen relatively quickly if he can avoid setbacks. Edward Mujica will be the favorite for saves during his absence, but Farrell could also play the matchups.
Mar 30 - 4:04 PM

Red Sox manager John Farrell said that Koji Uehara is "not likely" to be ready for Opening Day after feeling more discomfort in his left hamstring during a bullpen session Saturday.

It's not clear at this point how long he might be sidelined, but the veteran reliever has dealt with the hamstring ailment for nearly two weeks now and doesn't seem to be getting much better. Edward Mujica will be the primary closer for the Red Sox until Uehara is ready, although Farrell wouldn't rule out using Junichi Tazawa, Tommy Layne and Alexi Ogando should the matchups present themselves.
Mar 29 - 10:00 AM

Red Sox manager John Farrell said Saturday that Koji Uehara (hamstring) has not been ruled out for Opening Day.

"He's a one-inning reliever, a veteran guy", Farrell said Saturday, indicating that he doesn't need much in-game preparation to get ready for the regular season. In the event that Uehara is unable to go, Edward Mujica is the favorite to see early save chances for the Red Sox.
Mar 28 - 11:21 AM

Koji Uehara (hamstring) made 60 throws off flat ground Thursday.

Uehara strained his left hamstring early last week while doing some conditioning work, but Red Sox manager John Farrell called Thursday a "sizable step" for him. The next step calls for him to throw a bullpen session on Saturday. He remains a question mark for the start of the season. Edward Mujica would fill in at closer if he needs to miss some time.
Mar 26 - 4:14 PM

Koji Uehara (hamstring) will throw on flat ground Thursday and is lined up for a bullpen session this weekend.

The workouts should give the Red Sox a better idea about his status for the opening of the regular season. Uehara strained his left hamstring early last week while doing some conditioning work. If he's not ready come April 6, Edward Mujica would presumably fill in at closer for Boston.
Mar 26 - 10:14 AM

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.

Uehara strained his left hamstring a week ago and has resumed throwing and agility drills in recent days, but it's unclear when he'll be ready to return to game action. Be sure to follow this situation closely in the coming days. Edward Mujica would likely fill in at closer if Uehara needs extra time to get ready.
Mar 24 - 11:33 AM

Koji Uehara (hamstring) played catch with good intensity Monday morning in Red Sox camp.

And he went through a range of agility drills on Sunday without issue. Uehara should be cleared to resume pitching in Grapefruit League games by the end of this week and he is expected to be fully recovered from his mid-March hamstring strain by Opening Day.
Mar 23 - 11:24 AM

Koji Uehara (hamstring) went through some agility testing Sunday.

Uehara also threw long toss in the session. The reliever appeared to be fine, Boston Globe beat writer Pete Abraham said. Uehara should be back on the mound in a few days and likely won't be a question for Opening Day.
Mar 22 - 12:13 PM

Koji Uehara (hamstring) played long toss on Friday without any difficulty.

The veteran right-hander said that he felt no pain in his hamstring while throwing and is expected to resume throwing off a mound in the middle of the week. The Red Sox remain optimistic that he'll be ready for the start of the regular season.
Source: Boston Globe
Mar 21 - 8:40 AM

Koji Uehara (hamstring) could long-toss on Friday.

Uehara strained his left hamstring on Tuesday. While it's good that he might be able to long-toss on Friday, the Red Sox won't let him throw from a mound again until he doesn't feel anything in his hamstring. Uehara is hopefuly of being ready for Opening Day.
Mar 19 - 6:35 PM

Koji Uehara (hamstring) expects to be ready for Opening Day, but conceded Wednesday that it could be a "close call."

Uehara strained his left hamstring Tuesday and Red Sox manager John Farrell said Wednesday morning that he won't get back on the mound until "he can tolerate the stress" with his hamstring. He likely won't need many games to be ready for the season, but the situation is worth watching.
Mar 18 - 11:45 AM

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.

Uehara suffered the injury Tuesday morning and the Red Sox aren't going to take any chances with him. He's not in jeopardy for missing the start of the season at this time, but he can't afford any setbacks.
Mar 18 - 10:29 AM

Koji Uehara suffered a strained left hamstring on Tuesday morning in Red Sox camp.

It's going to cost him some Grapefruit League appearances, but the veteran closer should be fine by Boston's regular-season opener. Uehara has allowed seven hits and two earned runs in three innings this spring. He strained his hammy while running.
Mar 17 - 4:31 PM

Koji Uehara allowed a run and three hits in his inning of work against the Pirates on Saturday.

They weren't bloops today; Uehara gave up two well-hit doubles in the frame. He still has a few weeks left to find his best splitter, but he hasn't looked particularly strong this spring.
Mar 14 - 4:52 PM

Depth Charts

Batters
PosRoleName
C1Christian Vazquez
2Ryan Hanigan
3Sandy Leon
4Blake Swihart
5Humberto Quintero
1B1Mike Napoli
2Allen Craig
2B1Dustin Pedroia
2Brock Holt
SS1Xander Bogaerts
2Jeff Bianchi
3B1Pablo Sandoval
LF1Hanley Ramirez
2Daniel Nava
3Quintin Berry
CF1Mookie Betts
2Rusney Castillo
3Jackie Bradley
4Blake Tekotte
RF1Shane Victorino
DH1David Ortiz
Starting Pitcher
PosRoleName
S1Clay Buchholz
2Rick Porcello
3Wade Miley
4Joe Kelly
5Justin Masterson
6Brandon Workman
Relief Pitcher
PosRoleName
R1Koji Uehara
2Edward Mujica
3Junichi Tazawa
4Craig Breslow
5Robbie Ross
6Anthony Varvaro
7Alexi Ogando
8Brandon Workman
9Tommy Layne
10Edwin Escobar
11Matt Barnes
12Felipe Paulino
13Nestor Molina
14Miguel Celestino