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Koji Uehara | Relief Pitcher

Team: Boston Red Sox
Age / DOB:  (40) / 4/3/1975
Ht / Wt:  6'2' / 195
Bats / Throws: Right / Right
Contract: view contract details
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Latest News

Recent News

Koji Uehara pitched a scoreless ninth inning against the Rays to earn his second save of the season Tuesday.
Uehara gave up a leadoff single to Logan Forsythe but quickly erased him with a double play from Evan Longoria. Uehara retired Desmond Jennings to close out the one-run victory. The right-hander hasn't been scored upon in three innings, and Forsythe's single is the first baserunner he's allowed. A hamstring injury behind him, the 40-year-old appears to be back in top form. Apr 21 - 10:05 PM

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Player News

Date:

Koji Uehara, making his season debut, retired the Nationals in order in the ninth inning for his first save.

Uehara was activated from the disabled list on Monday, having healed from a hamstring injury suffered in March. He had no issues carving through the middle of the Nationals' lineup. He struck out Bryce Harper, got Ryan Zimmerman to line out, and fanned Clint Robinson to end the contest. Uehara will resume getting almost all of the save chances, which leaves Edward Mujica without much fantasy value now.
Apr 14 - 9:46 PM

Red Sox activated RHP Koji Uehara from the 15-day disabled list.

Uehara had been sidelined with a hamstring injury suffered during spring training. The veteran closer experienced no setbacks in his rehab. He'll take back his normal ninth inning spot from Edward Mujica, who will move to a setup role.
Apr 13 - 12:46 PM

Red Sox manager John Farrell confirmed Sunday that Koji Uehara (hamstring) is likely to be activated from the disabled list on Monday.

The veteran right-hander is working his way back from a strained hamstring. He's expected to immediately regain his closer role, relegating Edward Mujica back to a setup role.
Apr 12 - 6:02 PM

Koji Uehara (hamstring) will make a minor league rehab appearance Saturday with Class A Greenville.

In other words, everything is going according to plan as Uehara makes his way back from a hamstring strain. He might only need one appearance, so he should be activated for the home opener on Monday. Edward Mujica will continue to fill in for now.
Apr 9 - 5:05 PM

Koji Uehara (hamstring) threw 30 pitches Tuesday in a simulated game.

It was essentially an extended batting practice session. He's scheduled to throw another simulated game Thursday before making a minor league rehab appearance with Class A Greenville on Saturday. Barring any setbacks, he should be activated for the home opener on April 13. Edward Mujica will get the chance to fill in for a few days.
Apr 7 - 12:55 PM

Koji Uehara (hamstring) is scheduled to throw a simulated game on Thursday.

If all goes well, he will go out on a minor league rehab appearance on Saturday. The goal if he makes it through those sessions healthy, will be to activate him for the home opener on April 13. Edward Mujica will see the bulk of the save chances in his absence.
Apr 4 - 3:39 PM

Red Sox placed RHP Koji Uehara on the 15-day disabled list, retroactive to March 27, with a left hamstring strain.

The hope is that he'll be ready to go when first eligible on April 11, but Uehara admitted earlier this week to still feeling pain when he tried throwing from a mound. Edward Mujica will be the Red Sox' primary closer while Uehara is on the shelf.
Apr 3 - 3:39 PM

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

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

Depth Charts

Batters
PosRoleName
C1Ryan Hanigan
2Sandy Leon
3Christian Vazquez
1B1Mike Napoli
2Allen Craig
2B1Dustin Pedroia
2Brock Holt
SS1Xander Bogaerts
3B1Pablo Sandoval
LF1Hanley Ramirez
2Daniel Nava
CF1Mookie Betts
RF1Shane Victorino
DH1David Ortiz
Starting Pitcher
PosRoleName
S1Clay Buchholz
2Rick Porcello
3Wade Miley
4Joe Kelly
5Justin Masterson
Relief Pitcher
PosRoleName
R1Koji Uehara
2Edward Mujica
3Junichi Tazawa
4Craig Breslow
5Robbie Ross
6Anthony Varvaro
7Alexi Ogando
8Brandon Workman
9Heath Hembree