4:34 PM - Kelvin Herrera (ChC) signed a minor-league contract with the Cubs on Thursday, Mark Gonzales of the Chicago Tribune reports.

2:02 PM - Kelvin Herrera (CWS) was designated for assignment by the White Sox on Friday.

10:22 PM - Kelvin Herrera (CWS) is expected to claim one of the reliever spots, LaMond Pope of the Chicago Tribune reports.

8:55 AM - Kelvin Herrera (CWS) attributed his career-worst 6.14 ERA in 2019 to the aftereffects of foot surgery, Daryl Van Schouwen of the Chicago Sun-Times reports.

6:32 PM - Kelvin Herrera (CWS) gave up a home run while striking out two to record the save in a 5-3 win over the Tigers on Sunday.

11:20 AM - Kelvin Herrera (CWS) (oblique) was activated from the 10-day injured list prior to Sunday's game against the A's.

12:25 PM - Kelvin Herrera (CWS) is scheduled for another rehab appearance with Triple-A Charlotte on Thursday, Daryl Van Schouwen of the Chicago Sun-Times reports.

3:41 PM - Kelvin Herrera (CWS) (oblique) made his first rehab appearance for Triple-A Charlotte on Friday, working an inning and giving up four runs on five hits.

6:52 PM - Kelvin Herrera (CWS) (oblique) is scheduled to throw a bullpen session Thursday, James Fegan of The Athletic reports.

1:50 PM - Kelvin Herrera (CWS) White Sox placed Herrera on the 10-day injured list Saturday with a right oblique strain, Daryl Van Schouwen of the Chicago Sun-Times reports.

8:40 AM - Kelvin Herrera (CWS) allowed one run on one hit, two walks, a hit batsman and a wild pitch in Saturday's 13-2 loss to the Athletics.

7:29 AM - Kelvin Herrera (CWS) allowed a two-run home run and did not get a batter out in Wednesday's 5-3 loss to Cleveland.

3:57 PM - Kelvin Herrera (CWS) (back) is available to pitch Wednesday against the Indians, James Fegan of The Athletic reports.

10:41 PM - Kelvin Herrera (CWS) (back) said he would likely be ready to pitch Wednesday at Cleveland, Daryl Van Schouwen of the Chicago Sun-Times reports.

3:51 PM - Kelvin Herrera (CWS) (back) played catch Monday, James Fegan of The Athletic reports.

5:30 PM - Kelvin Herrera (CWS) (back) is considered day-to-day after being diagnosed with back stiffness, Scot Gregor of the Chicago Daily Herald reports.

5:03 PM - Kelvin Herrera (CWS) exited Sunday's game against the Red Sox with an apparent back injury, Scott Merkin of MLB.com reports.

7:01 AM - Kelvin Herrera (CWS) struck out two over a scoreless inning in Tuesday's 5-1 win over the Royals.

8:02 AM - Kelvin Herrera (CWS) four-seam fastball averaged 95 mph in his first two appearances, better than he showed in spring training but a couple of ticks below its average last season, Daryl Van Schouwen of the Chicago Sun-Times reports.

6:44 AM - Kelvin Herrera (CWS) fastball velocity is in the low-90s this spring, a few ticks below he mid-to-high 90s range where it typically lives, Daryl Van Schouwen of the Chicago Sun-Times repors.

1:40 PM - Kelvin Herrera (CWS) is scheduled to make his Cactus League debut Saturday against the Rangers, Scott Merkin of MLB.com reports.

12:53 PM - Kelvin Herrera (CWS) (foot) is scheduled to toss a simulated game Thursday, Daryl Van Schouwen of the Chicago Sun-Times reports.

11:37 AM - Kelvin Herrera (CWS) was noncommittal when asked about his status for Opening Day, Daryl Van Schouwen of the Chicago Sun-Times reports. "I'm working on it. It's a process," the reliever said.

11:53 AM - Kelvin Herrera (CWS) foot has recovered to the point that he's ready to resume throwing, James Fegan of The Athletic reports.

3:50 PM - Kelvin Herrera (CWS) (foot) is "very optimistic" that he will begin spring training without any restrictions, Daryl Van Schouwen of the Chicago Sun-Times reports.

2:51 PM - Kelvin Herrera (CWS) (foot) signed a two-year, $18 million contract with the White Sox on Monday, Jeff Passan of ESPN.com reports. The deal also includes a third-year vesting option.

8:42 AM - Kelvin Herrera (Wsh) underwent season-ending surgery Thursday to repair a torn ligament in his left foot, Chelsea Janes of The Washington Post reports.

12:47 PM - Kelvin Herrera (Wsh) was placed on the 10-day disabled list with a torn Lisfranc ligament in his left foot Monday, Dan Kolko of MASN Sports reports.

1:09 PM - Kelvin Herrera (Wsh) manager Dave Martinez relayed that Herrera is dealing with a left foot injury and will undergo X-rays later Sunday, Jorge Castillo of The Washington Post reports.

12:36 PM - Kelvin Herrera (Wsh) was carted off the field during his appearance in Sunday's game against the Mets after suffering an apparent left lower-leg injury, Dan Kolko of MASN Sports reports.

8:47 AM - Kelvin Herrera (Wsh) struck out one in a perfect ninth inning Tuesday against the Phillies.

2:31 PM - Kelvin Herrera (Wsh) (shoulder) was activated from the 10-day disabled list Tuesday, Mark Zuckerman of MASN Sports reports.

3:53 PM - Kelvin Herrera (Wsh) (shoulder) could be activated from the 10-day disabled list during the Nationals' upcoming three-game series with the Phillies, which runs from Tuesday to Thursday, Mark Zuckerman of MASN Sports reports.

11:15 AM - Kelvin Herrera (Wsh) pitched a simulated game against live hitters Saturday, Mark Zuckerman of MASN Sports reports.

10:32 AM - Kelvin Herrera (Wsh) (shoulder) threw Saturday for the first time since heading to the disabled list with a right rotator cuff impingement, Mark Zuckerman of MASN Sports reports.

12:53 PM - Kelvin Herrera (Wsh) avoided any structural damage in his throwing shoulder and will refrain from throwing over the next few days, Dan Kolko of MASN Sports reports.

10:54 AM - Kelvin Herrera (Wsh) was put on the 10-day disabled list due to a right rotator cuff impingement prior to Wednesday's game, Chelsea Janes of The Washington Post reports.

6:32 PM - Kelvin Herrera (Wsh) left Tuesday's game against the Braves with right shoulder tightness, Dan Kolko of MASN Sports reports.

5:54 PM - Kelvin Herrera (Wsh) exited Tuesday's game against the Braves with an apparent injury, Chelsea Janes of The Washington Post reports.

5:49 PM - Kelvin Herrera (Wsh) tossed a perfect ninth inning and struck out one Sunday against the Reds as he notched the save.

6:23 PM - Kelvin Herrera (Wsh) allowed one run on two hits and one walk while striking out one in the ninth inning as he secured the save Wednesday against the Mets.

5:44 AM - Kelvin Herrera (Wsh) allowed two hits and struck out one over 1.2 scoreless innings Sunday to record his 15th save of the season in a 6-2 win over the Braves.

7:56 PM - Kelvin Herrera (Wsh) allowed one earned run and struck out one to earn the hold Thursday against the Mets.

1:23 PM - Kelvin Herrera (Wsh) will be the Nationals' closer while Sean Doolittle is out with a toe injury, Jamal Collier of MLB.com reports.

6:16 PM - Kelvin Herrera (Wsh) (2-1) collected his first win with Washington, tossing a perfect eighth inning in Thursday 4-2 victory over Baltimore.

5:34 AM - Kelvin Herrera (Wsh) pitched a perfect eighth inning to record his first hold of the season in Tuesday's win over the Orioles.

6:59 PM - Kelvin Herrera (Wsh) will transition to a new role in the bullpen following Monday's trade, after serving as Kansas City's closer for the past few seasons, Chelsea Janes of The Washington Post reports.

4:01 PM - Kelvin Herrera (Wsh) was traded from the Royals to the Nationals on Monday for three minor leaguers, Jon Heyman of FanRagSports.com reports.

12:02 AM - Kelvin Herrera (KC) gave up a home run in the ninth to blow the save against the Reds on Tuesday, walking two and striking out zero.

10:34 PM - Kelvin Herrera (KC) allowed one hit and struck out two in a scoreless ninth inning Saturday to record his 14th save of the season in a 2-0 win over the A's.

6:27 PM - Kelvin Herrera (KC) recorded one strikeout in a clean ninth inning to earn the save against the Athletics on Saturday.

8:40 PM - Kelvin Herrera (KC) struck out one in a perfect ninth inning Wednesday to pick up his 12th save of the season in an 11-8 win over the Twins.

9:32 PM - Kelvin Herrera (KC) allowed one hit in a scoreless ninth inning to record his 11th save of the season Sunday against the Rangers.

1:47 PM - Kelvin Herrera (KC) allowed one hit in a scoreless ninth inning to earn his seventh save Sunday against the Tigers.

1:22 AM - Kelvin Herrera (KC) pitched a clean ninth inning Friday to earn a save against the Tigers.

3:05 AM - Kelvin Herrera (KC) gave up a hit and struck out one in a scoreless ninth inning to pick up his fifth save of the season in a 5-2 win over the White Sox during the second game of Saturday's doubleheader.

3:25 PM - Kelvin Herrera (KC) struck out one while throwing a perfect inning and collecting his fourth save of the season Sunday against the Tigers.

5:41 PM - Kelvin Herrera (KC) pitched a clean ninth inning and struck out one batter Saturday against the Indians to record the save.

11:41 AM - Kelvin Herrera (KC) tossed a perfect ninth inning to claim his first save of the season in Tuesday's 1-0 win over the Tigers.

7:04 AM - Kelvin Herrera (KC) general manager Dayton Moore suggested Sunday that Herrera would open the season as the team's closer, Josh Vernier of 610 Sports reports. "I think so," Moore said, when asked if Herrera was the ' unquestioned top end-game option. "Kelvin's pitched in a lot of high-leverage situations. It's all in there. He's capable of performing in whatever role Ned matches him up with. Whether it's seventh, eighth, ninth, multiple innings at times, I think he'll perform well."

8:51 AM - Kelvin Herrera (KC) agreed to a one-year, $7,937,500 deal with the Royals on Friday to avoid arbitration, Jeffrey Flanagan of MLB.com reports.

1:03 PM - Kelvin Herrera (KC) will relinquish his role as the closer in the Kansas City bullpen, according to manager Ned Yost, Jeffrey Flanagan of MLB.com reports.

12:44 PM - Kelvin Herrera (KC) (forearm) said he was available out of the bullpen Tuesday, Rustin Dodd of The Kansas City Star reports.

1:19 PM - Kelvin Herrera (KC) had an MRI that showed a lower forearm strain and he will be unavailable for at least a couple days, Jeffrey Flanagan of MLB.com reports.

8:38 AM - Kelvin Herrera (KC) (wrist, forearm) is ready to return to game action Thursday, Joel Goldberg of FOX Sports Kansas City reports.

9:28 AM - Kelvin Herrera (KC) who left Tuesday's game early with forearm tightness, is not expected to miss much time, if any. Manager Ned Yost went so far as to say the closer could be available Wednesday against the Rockies, Rustin Dodd of The Kansas City Star, reports.

7:00 PM - Kelvin Herrera (KC) walked one while pitching a scoreless inning Friday against the White Sox to pick up his 25th save.

8:39 PM - Kelvin Herrera (KC) allowed a run on a hit and a walk but was able to secure his 24th save of the season in Thursday's 6-4 win over the Mariners. He struck out one batter.

3:44 PM - Kelvin Herrera (KC) worked around a pair of walks and a hit in a scoreless inning to earn his 23rd save of the season Sunday against the Red Sox.

6:23 PM - Kelvin Herrera (KC) pitched a scoreless inning on one hit while striking out one to earn his 22nd victory of the season Friday against the Red Sox.

4:04 AM - Kelvin Herrera (KC) struck out one in a perfect ninth inning Tuesday to record his 21st save of the season in a 3-1 win over the Tigers.

8:58 PM - Kelvin Herrera (KC) didn't allow a baserunner during a scoreless 12th inning to record his 20th save of the season during Monday's win over Detroit.

1:40 PM - Kelvin Herrera (KC) (illness) is likely available out of the bullpen for Thursday's game against the Tigers, Jeffrey Flanagan of MLB.com reports.

10:02 AM - Kelvin Herrera (KC) said he simply ran out of energy during Wednesday's appearance against the Tigers, Jeffrey Flanagan of MLB.com reports.

7:23 PM - Kelvin Herrera (KC) allowed a home run to the first batter he faced and was immediately pulled from Wednesday's game against the Tigers, Evan Woodbery of MLive.com reports.

4:58 PM - Kelvin Herrera (KC) is battling an illness that manager Ned Yost hopes won't keep the closer sidelined for too long, Josh Vernier of 610 Sports Radio reports.

3:55 PM - Kelvin Herrera (KC) (2-2) got the win Sunday against the Rangers with a scoreless top of the ninth inning.

8:36 AM - Kelvin Herrera (KC) tossed a scoreless tenth inning and had one strikeout to earn his 19th save of the season in Wednesday's victory over the Mariners.

12:51 PM - Kelvin Herrera (KC) pitched a scoreless ninth inning on one hit while striking out one to earn his 18th save Saturday against the Blue Jays.

3:25 PM - Kelvin Herrera (KC) pitched a scoreless ninth inning to earn his 17th save of the season during Wednesday's win over Boston.

7:59 PM - Kelvin Herrera (KC) worked around a hit to record his 16th save in a scoreless ninth Monday against the Red Sox.

3:48 PM - Kelvin Herrera (KC) recorded the final two outs to pick up his 15th save Sunday against the Angels.

6:26 PM - Kelvin Herrera (KC) struggles thus far in 2017 are due in large part to a dramatic dip in the effectiveness of his slider compared to last year, Ryan Heffernon of SB Nation reports.

7:25 AM - Kelvin Herrera (KC) took the loss Thursday against Houston after giving up four runs on three hits and a walk while recording a single out.

2:17 AM - Kelvin Herrera (KC) pitched a scoreless ninth inning with three strikeouts to collect his 13th save of the season during Wednesday's win over Houston.

3:27 AM - Kelvin Herrera (KC) fanned two Tigers in a perfect ninth inning Tuesday en route to his 12th save of the season.

5:16 PM - Kelvin Herrera (KC) pitched a scoreless ninth inning to close out Saturday's 5-2 win over Cleveland, allowing one hit and striking out two to pick up his 11th save of the season.

7:07 PM - Kelvin Herrera (KC) pitched a scoreless ninth inning Friday, allowing one hit and striking out one to pick up his tenth save on the season.

3:32 AM - Kelvin Herrera (KC) served up a game-tying, two-run home run to Kennys Vargas in the ninth inning Friday to blow his second save of the season in an extra-inning loss to the Twins.

4:34 PM - Kelvin Herrera (KC) stumbled to his eighth save of the year, allowing a run on three hits while notching a strikeout Sunday versus Baltimore.

6:32 PM - Kelvin Herrera (KC) struck out one in a perfect ninth inning Saturday to nail down his seventh save of the year.

2:26 AM - Kelvin Herrera (KC) allowed one hit in a scoreless ninth inning Friday to pick up his sixth save of the season in a 3-2 win over the Orioles.

8:39 PM - Kelvin Herrera (KC) earned his fifth save by whiffing two Rays and working around a walk in Tuesday's 7-6 win.

7:37 AM - Kelvin Herrera (KC) allowed one hit during Friday's ninth inning against the Indians en route to his fourth save of the season.

5:40 PM - Kelvin Herrera (KC) Nationals have expressed interest in trading for Herrera, although the Royals' intentions remain unclear, Ken Rosenthal of Fox Sports reports.

1:50 AM - Kelvin Herrera (KC) walked one in a scoreless ninth inning to earn his third save of the season in Wednesday's 2-0 win over the Giants.

1:56 PM - Kelvin Herrera (KC) (1-0) tossed one scoreless inning while striking out one to earn his first victory of the season in Sunday's 1-0 win over the Angels.

4:59 PM - Kelvin Herrera (KC) blew the save Sunday after giving up a solo home run, the only hit he allowed, in the ninth inning against Houston.

7:42 AM - Kelvin Herrera (KC) has compiled a 3.86 ERA, 1.43 WHIP and seven strikeouts over seven innings in Cactus League play.

5:36 AM - Kelvin Herrera (KC) will make his Cactus League debut Monday, Josh Vernier of 610 Sports Radio reports.