10:19 AM - Koji Uehara (ChC) (knee, back) will not be available Saturday against the Cardinals, Carrie Muskat of MLB.com reports.

12:45 PM - Koji Uehara (ChC) is dealing with a right knee infection, Carrie Muskat of MLB.com reports.

7:47 AM - Koji Uehara (ChC) (neck) was activated from the DL prior to Sunday's game against the Blue Jays, Carrie Muskat of MLB.com reports.

8:02 AM - Koji Uehara (ChC) (neck) is set to toss his second bullpen in the last three days prior to Chicago's game against the Blue Jays on Friday, MLB.com's Carrie Muskat reports.

10:01 AM - Koji Uehara (ChC) (neck) was placed on the 10-day DL on Wednesday, Mark Gonzales of the Chicago Tribune reports.

9:06 AM - Koji Uehara (ChC) was removed from Tuesday's game with neck stiffness, Mark Gonzales of the Chicago Tribune reports.

8:21 PM - Koji Uehara (ChC) exited Tuesday's game against the Giants with an apparent injury, Mark Gonzales of the Chicago Tribune reports.

4:02 AM - Koji Uehara (ChC) stuck out two in a clean ninth inning Sunday against St. Louis to pick up his second save of the year.

8:48 AM - Koji Uehara (ChC) (1-3) was tagged with loss Wednesday against the Padres. He allowed an earned run on a walk and hit over one inning of work.

5:34 AM - Koji Uehara (ChC) recorded his first save of the season in Thursday's win over the Reds. He pitched a scoreless inning with no hits allowed and two strikeouts.

8:48 AM - Koji Uehara (ChC) (0-2) was tagged with the loss Sunday against the Red Sox. He gave up three hits and three runs (two earned) without recording an out.

5:12 AM - Koji Uehara (ChC) recorded his second hold of the season in Tuesday's win over the Pirates. He pitched a scoreless inning, allowing one hit and striking out one.

6:46 PM - Koji Uehara (ChC) (0-1) was tagged with a blown save and the loss in Sunday's game against the Pirates. He didn't record an out, and gave up three runs (two earned) on two hits and two walks.

8:22 AM - Koji Uehara (ChC) said he wants to pitch two more years at the MLB level, Carrie Muskat of MLB.com reports.

4:46 AM - Koji Uehara (ChC) agreed to terms on a one-year, $6 million contract with the Cubs on Wednesday, ESPN.com's Jesse Rogers reports.

12:03 PM - Koji Uehara (ChC) signed a one-year, $4.5 million deal with the Cubs on Thursday, Bob Nightengale of USA Today reports.

8:12 PM - Koji Uehara (Bos) pitched a scoreless ninth to nail down the save in Sunday's 5-4 victory over the Yankees. He allowed a hit and struck out one.

5:09 AM - Koji Uehara (Bos) Sox manager John Farrell wants to use Uehara in a few low-leverage situations before pitching him in tight games, Christopher Smith of Mass Live reports.

2:59 AM - Koji Uehara (Bos) pitched a scoreless eighth inning, striking out two, in Boston's 7-2 win over San Diego on Wednesday.

7:34 AM - Koji Uehara (Bos) (pectoral) was activated from the 15-day DL on Monday.

1:37 PM - Koji Uehara (Bos) (pectoral) is slated to be activated from the disabled list Monday, Evan Drellich of The Boston Herald reports.

2:46 PM - Koji Uehara (Bos) (pectoral muscle) threw a live batting practice session Saturday and emerged saying he feels 100 percent healthy, CSNNE's Sean McAdam reports.

5:40 AM - Koji Uehara (Bos) (pectoral muscle) will throw live batting practice Saturday, Peter Abraham of the Boston Globe reports.

11:55 AM - Koji Uehara (Bos) (pectoral) faced live hitters Monday, Pete Abraham of the Boston Globe reports.

2:57 AM - Koji Uehara (Bos) (pectoral muscle), who threw a 53-pitch bullpen session Friday, will throw another one Monday, Julian Benbow of the Boston Globe reports.

2:59 PM - Koji Uehara (Bos) (pectoral) threw a bullpen session Tuesday, Brian MacPherson of the Providence Journal reports.

1:23 PM - Koji Uehara (Bos) (pectoral) will throw off a mound Tuesday, Brian MacPherson of the Providence Journal reports.

3:15 AM - Koji Uehara (Bos) (pectoral muscle) threw from 150 feet Monday, Peter Abraham of the Boston Globe reports.

7:42 AM - Koji Uehara (Bos) (pectoral muscle) began throwing from 90 feet Thursday and repeated that Friday, Julian Benbow of the Boston Globe reports. "He'll increase the distance and the volume based on tolerance," Red Sox manager John Farrell said.

2:44 AM - Koji Uehara (Bos) (pectoral muscle) is playing catch from as far as 60 feet, Evan Drellich of the Boston Herald reports. "He'll likely go through having more of an ultrasound just to double-check and get a view of what's going on there. But his throwing progression will be gradual. So, typically, we go 30-foot increments - 60 feet today. That may (happen) a couple of times repetitively before we begin to stretch him out," said manager John Farrell.

12:51 PM - Koji Uehara (Bos) (pectoral) received a platelet-rich plasma injection Friday and will be shut down from throwing for the time being, Jason Mastrodonato of The Boston Herald reports.

12:09 PM - Koji Uehara (Bos) (pectoral) told Japanese reporters that he expects to miss a month, Pete Abraham of the Boston Globe reports.

7:20 PM - Koji Uehara (Bos) MRI results confirmed that he strained a pectoral muscle and he remains without a timetable to return, Jason Mastrodonato of the Boston Herald reports.

1:32 PM - Koji Uehara (Bos) (pectoral) will have an MRI and is without a timetable to return to the Red Sox's bullpen, Brian MacPherson of the Providence Journal reports.

10:22 AM - Koji Uehara (Bos) (pectoral) was placed on the 15-day DL on Wednesday, Brian MacPherson of the Providence Journal reports.

6:33 PM - Koji Uehara (Bos) left Tuesday's game after feeling something in his right pectoral muscle, the Boston Globe's Alex Speier reports.

5:53 PM - Koji Uehara (Bos) (shoulder) left Tuesday's game with an apparent shoulder injury, Sean McAdam of Comcast Sports Net reports.

11:18 PM - Koji Uehara (Bos) recorded his sixth save with a clean ninth inning in Saturday's 5-2 victory over the Yankees. He also recorded a strikeout.

1:06 AM - Koji Uehara (Bos) notched his fifth save with a scoreless ninth inning in Friday's 5-3 victory over the Yankees. He also recorded a strikeout.

6:58 PM - Koji Uehara (Bos) has been named Boston's closer, Meredith Perri of Mass Live reports. "Koji's our closer," manager John Farrell said after closed out Saturday's win over the Tampa Bay Rays.

3:01 PM - Koji Uehara (Bos) pitched a scoreless ninth inning while allowing one hit and striking out two to earn his fourth save of the year Saturday against the Rays.

5:23 AM - Koji Uehara (Bos) notched his third save in Friday's 6-5 win over the Rays, allowing an earned run on one hit while also recording a strikeout.

4:10 AM - Koji Uehara (Bos) picked up his second save of the season, striking out the side in Friday night's 8-7 win over Texas.

7:14 PM - Koji Uehara (Bos) (2-3) was smacked around for four hits (two of them homers) and three runs while recording just two outs in the eighth inning Wednesday in a loss against the White Sox.

6:10 AM - Koji Uehara (Bos) allowed two runs on one hit and one walk while striking out two in two-thirds of an inning in Friday night's loss to the Blue Jays.

9:03 PM - Koji Uehara (Bos) threw a perfect inning in the 11th inning Sunday to pick up his first save of the year, striking out two.

5:30 AM - Koji Uehara (Bos) allowed two runs on two hits in one inning to pick up the loss in Friday night's game against Toronto.

3:54 AM - Koji Uehara (Bos) was charged with two runs and allowed an inherited runner to score in the eighth inning of Boston's 8-4 loss to the Royals on Wednesday.

11:41 AM - Koji Uehara (Bos) pitched a scoreless eighth inning Friday against Houston, giving up a hit and striking out two batters.

7:30 AM - Koji Uehara (Bos) (1-1) pitched a perfect eighth inning to earn his first victory over the season in Friday's 4-2 victory over the Yankees. He also struck out a batter.

4:31 AM - Koji Uehara (Bos) struck out two in a scoreless relief inning in Sunday's 7-5 extra-inning victory over the Astros.

2:32 PM - Koji Uehara (Bos) was undone by the Blue Jays on Monday, allowing four runs while recording just one out. He allowed a hit, walked two, and hit a batter in the outing.

4:31 AM - Koji Uehara (Bos) pitched a clean inning in Friday night's 5-3 win over the Blue Jays. He's yet to be scored upon in six appearances, allowing one hit and one walk while striking out six in six innings.

10:58 AM - Koji Uehara (Bos) (general soreness) pitched a clean inning Wednesday in his return to Grapefruit league action.

1:02 PM - Koji Uehara (Bos) (general soreness) pitched a clean inning and struck out one batter in a minor league game Monday, Tim Britton of the Providence Journal reports.

5:31 AM - Koji Uehara (Bos) (general soreness) will throw a bullpen session Saturday and is scheduled to pitch Monday, the Boston Globe reports.

6:01 AM - Koji Uehara (Bos) is considered day-to-day due to general soreness, Alex Speier of the Boston Globe reports.

8:13 AM - Koji Uehara (Bos) made his first spring training appearance Saturday, allowing a run on three hits while striking out two against the Marlins.

9:00 AM - Koji Uehara (Bos) (wrist) said Tuesday that he is healthy, Pete Abraham of The Boston Globe reports.

3:53 PM - Koji Uehara (Bos) (wrist) is now expected to open 2016 in a setup role, with the Red Sox acquiring Craig Kimbrel from the Padres on Friday.

3:46 AM - Koji Uehara (Bos) (wrist) played long toss in the outfield before Thursday's game, the Boston Globe reports.

2:04 PM - Koji Uehara (Bos) (wrist) threw for the first time Sunday and again Monday since suffering a broken wrist, Rob Bradford of WEEI.com reports.

10:52 AM - Koji Uehara (Bos) (wrist) was moved to the 60-day DL on Friday.

7:39 PM - Koji Uehara (Bos) tossed a pair of perfect innings, striking out two against Detroit on Friday night.

2:03 AM - Koji Uehara (Bos) has attracted interest from other teams, according to a source, the Boston Globe reports.

6:08 AM - Koji Uehara (Bos) was touched for a game-winning homer by the Angels Mike Trout in Friday night's loss. He came on to pitch in a tie game, so this wasn't a blown save.

7:22 PM - Koji Uehara (Bos) got the final three outs for his 21st save Wednesday, striking out one in a perfect ninth against the Marlins.

7:17 PM - Koji Uehara (Bos) closed out the Marlins on Tuesday, striking out two in a perfect inning to pick up the save in Boston's win. The save conversion was his 10th straight.

2:20 AM - Koji Uehara (Bos) picked up the save in Tuesday night's win over the Blue Jays. It was the third consecutive day the closer has pitched and picked up a save, and the fourth time he's pitched in the previous five days.

7:12 PM - Koji Uehara (Bos) Sox closer Koji Uehara picked up his 14th save of the season, shutting down the Braves in order on Thursday.

5:35 PM - Koji Uehara (Bos) Sox closer Koji Uehara picked up his 11th save of the season.

9:10 PM - Koji Uehara (Bos) Sox closer Koji Uehara nailed down his eighth save of the season in one, two, three fashion in Seattle on Thursday.

2:34 PM - Koji Uehara (Bos) Sox closer Koji Uehara earned his seventh save of the season on Wednesday as Boston beat Oakland, 2-0.

11:54 AM - Koji Uehara (Bos) Sox closer Koji Uehara recorded his sixth save of the season on Sunday in the, 6-3, victory over the Blue Jays.

6:13 PM - Koji Uehara (Bos) Sox closer Koji Uehara allowed one hit but still recorded his second save of the season as Boston beat Tampa Bay, 1-0.

6:43 PM - Koji Uehara (Bos) Sox closer Koji Uehara pitched a scoreless ninth inning versus the Orioles and picked up the victory as Boston won in the bottom of the ninth, 3-2.

9:32 AM - Koji Uehara (Bos) Sox closer Koji Uehara (hamstring) has been activated on Monday and is available for the game against the Nationals, according to Tim Britton of the Providence Journal

6:14 AM - Koji Uehara (Bos) Sox closer Koji Uehara (hamstring) is expected to be activated on Monday and be available for the game against the Nationals, according to Tim Britton of the Providence Journal

12:19 PM - Koji Uehara (Bos) Sox closer Koji Uehara (hamstring) is expected to begin the season on the disabled list, according to manager John Farrell.

11:53 AM - Koji Uehara (Bos) Sox closer Koji Uehara (hamstring) will throw on Thursday and should take part in a bullpen session at some point this weekend.

6:08 AM - Koji Uehara (Bos) Sox closer Koji Uehara (hamstring) played long toss, according to a Boston Globe report.

7:59 AM - Koji Uehara (Bos) Sox closer Koji Uehara (hamstring) said he expects to be ready for Opening Day, but it is not a gaurantee.

12:38 PM - Koji Uehara (Bos) Sox closer Koji Uehara suffered a strained hamstring on Tuesday.

5:52 PM - Koji Uehara (Bos) Red Sox re-signed RHP Koji Uehara to a two-year deal.

1:07 PM - Koji Uehara (Bos) Red Sox have not decided whether they'll tender a qualifying offer to free agent closer Koji Uehara according to Brian MacPherson.

12:23 PM - Koji Uehara (Bos) Sox closer Koji Uehara will take a couple of days off after his blown save Thursday against the Yankees.

6:09 PM - Koji Uehara (Bos) to mlb.com, Red Sox manager John Farrell said he has no plans to shut down Koji Uehara despite his recent struggles.

6:55 PM - Koji Uehara (Bos) closer Koji Uehara blew his second straight save Monday at Toronto, but he picked up his sixth win of the year.

6:56 PM - Koji Uehara (Bos) closer Koji Uehara imploded Friday against the Mariners, allowing five runs after entering with a 3-0 lead.

9:04 AM - Koji Uehara (Bos) Cafardo of the Boston Globe reports that Koji Uehara is "in great demand," but the Red Sox "would like to hold on to him."

8:50 PM - Koji Uehara (Bos) Uehara racked up his 19th save of the season on Friday, working a scoreless ninth inning to protect a one-run lead against the Royals.

2:18 PM - Koji Uehara (Bos) Uehara will replace Masahiro Tanaka on the American League roster for the All-Star game.

9:17 AM - Koji Uehara (Bos) Sports' Ken Rosenthal reports that the Dodgers would be interested in a handful of Red Sox relievers should they be made available.

5:02 AM - Koji Uehara (Bos) Uehara admitted after Tuesday's game that the cause of his recent struggles might be related to "a little bit of fatigue."

7:06 PM - Koji Uehara (Bos) Uehara took his second loss of the season, allowing a run in the ninth inning in Tuesday's defeat at the hands of the Cubs.

8:17 PM - Koji Uehara (Bos) Uehara worked a perfect ninth inning against the Yankees on Sunday, preserving a three-run lead and earning his 18th save of the season.

4:55 PM - Koji Uehara (Bos) Uehara suffered his first blown save of the season on Sunday, allowing two runs in the ninth inning of an extra-innings win over the A's.

12:38 PM - Koji Uehara (Bos) Uehara allowed his third solo homer and his third run of the season on Wednesday, but he ended up with the win against the Twins.

6:31 PM - Koji Uehara (Bos) Uehara picked up his 14th save of the season, working a scoreless ninth inning in Thursday's win over the Indians.

7:37 PM - Koji Uehara (Bos) Uehara struck out two in a scoreless ninth inning to earn his 13th save against the Orioles on Tuesday.