5:57 PM - Tony Sipp (Wsh) was placed on release waivers Monday, Jesse Dougherty of The Washington Post reports.

6:25 PM - Tony Sipp (Wsh) was designated for assignment by the Nationals on Friday, Mark Zuckerman of MASN Sports reports.

9:53 AM - Tony Sipp (Wsh) struck out the only batter he faced to record his eighth hold of the season in the second game of Wednesday's doubleheader against the Rockies.

11:16 AM - Tony Sipp (Wsh) has a 4.70 ERA, 1.37 WHIP and 12:6 K:BB through 15.1 innings over 27 appearances this season, collecting one win and seven holds.

2:50 PM - Tony Sipp (Wsh) Nationals activated Sipp (oblique) from the 10-day injured list Monday.

5:13 PM - Tony Sipp (Wsh) (oblique) could be activated to begin the Nationals' series Monday against the Mets, Jamal Collier of MLB.com reports.

6:01 PM - Tony Sipp (Wsh) (oblique) will make a minor-league rehab appearance Saturday at High-A Potomac, Sam Fortier of The Washington Post reports.

4:29 PM - Tony Sipp (Wsh) was placed on the 10-day injured list Tuesday with a strained oblique, Jamal Collier of MLB.com reports.

11:09 AM - Tony Sipp (Wsh) gave up a hit and walked two in two-thirds of an inning but didn't allow a run during Monday's 5-3 loss to the Brewers.

6:48 PM - Tony Sipp (Wsh) (shoulder) allowed two runs on two hits over one-third of an inning during Friday's loss to the Pirates.

11:07 PM - Tony Sipp (Wsh) was pulled from Wednesday's game against the Phillies with left shoulder stiffness, Jesse Dougherty of The Washington Post reports.

11:23 AM - Tony Sipp (Wsh) struck out the only batter he faced in Thursday's win over the Mets to record his third hold of the season.

11:07 AM - Tony Sipp (Wsh) will throw another live batting practice session Saturday, Jamal Collier of MLB.com reports.

5:23 PM - Tony Sipp (Wsh) could be ready for Opening Day, Jesse Dougherty of The Washington Post reports.

9:34 AM - Tony Sipp (Wsh) agreed to a contract with the Nationals on Wednesday, Jon Heyman of MLB Network reports. Per Jesse Dougherty of The Washington Post, 's contract is a one-year, major-league deal that includes a mutual option for 2020.

4:37 AM - Tony Sipp (Hou) struck out both batters faced in the eighth inning of Sunday's 6-5 loss to Boston.

6:45 PM - Tony Sipp (Hou) (2-0) walked one in a scoreless seventh inning and picked up the win Sunday against the Royals.

3:12 AM - Tony Sipp (Hou) has nine consecutive scoreless outings and a 2.84 ERA over 16 games this season.

3:26 AM - Tony Sipp (Hou) (oblique) is expected to be activated before Wednesday's game against the Mariners, Bob Dutton of MLB.com reports.

1:19 PM - Tony Sipp (Hou) was placed on the disabled list Tuesday with right oblique soreness, Brian McTaggart of MLB.com reports.

3:11 AM - Tony Sipp (Hou) is the lone left-hander remaining in major-league camp after Houston optioned Buddy Boshers and Reymin Guduan to minor-league camp Sunday.

8:13 AM - Tony Sipp (Hou) is expected to win the Astros' left-handed reliever job this spring, the Houston Chronicle reports.

2:43 AM - Tony Sipp (Hou) pitched a clean third inning Thursday against the Red Sox.

7:20 AM - Tony Sipp (Hou) (right calf soreness) was activated from the 10-day DL on Saturday.

3:17 AM - Tony Sipp (Hou) (calf) met up with the Astros in St. Petersburg to be evaluated by team trainers Wednesday, Jake Kaplan of the Houston Chronicle reports. The left-hander has been on a rehabilitation assignment for the past 10 days.

10:31 AM - Tony Sipp (Hou) (calf) will begin a minor-league rehab assignment with Double-A Corpus Christi on Tuesday, Jake Kaplan of the Houston Chronicle reports.

9:55 AM - Tony Sipp (Hou) AJ Hinch said that Sipp (calf) could head out on a rehab assignment with Double-A Corpus Christi by the middle of next week, Christian Boutwell of MLB.com reports.

1:01 PM - Tony Sipp (Hou) was placed on the 10-day disabled list with right calf soreness.

3:20 AM - Tony Sipp (Hou) (0-1) allowed two home runs in the 10th inning of Monday's 9-7 loss to the Mariners.

6:53 AM - Tony Sipp (Hou) has an ERA of 4.10 over 26.1 innings this season, racking up 26 strikeouts and 18 hits.

2:59 AM - Tony Sipp (Hou) allowed two runs on three hits over one inning in Wednesday's 7-5 loss to Kansas City.

7:17 PM - Tony Sipp (Hou) pitched the final 2.2 innings of Tuesday's 12-2 win over Miami.

3:35 AM - Tony Sipp (Hou) worked around a hit to pitch a scoreless inning in Saturday's 6-3 loss to the Rays.

5:50 AM - Tony Sipp (Hou) allowed three runs on two hits and a walk over a third of an inning in Friday's exhibition game against the Cubs.

12:44 PM - Tony Sipp (Hou) is scheduled to pitch Monday after missing his last two starts with back stiffness, Jake Kaplan of the Houston Chronicle reports.

9:55 AM - Tony Sipp (Hou) (back) was feeling better Sunday and could pitch in Monday's game against the Cardinals, Brian McTaggart of the Astros' official site reports. The left-handed reliever was scratched from a scheduled appearance Saturday.

2:26 PM - Tony Sipp (Hou) didn't pitch Saturday because of back stiffness, Brian McTaggart of the Astros' official site reports.

5:19 PM - Tony Sipp (Hou) allowed a hit and two walks in two-thirds of an inning in Thursday's game against Washington.

10:17 AM - Tony Sipp (Hou) is the lone MLB-proven left-hander in the Astros bullpen as the team enters spring training, Jake Kaplan of the Houston Chronicle reports.

8:43 AM - Tony Sipp (Hou) struck out the side during his lone inning of work Tuesday against the Pirates, although not before giving up a run on a solo homer from Gregory Polanco.

5:44 AM - Tony Sipp (Hou) allowed two singles while recording just one out during Wednesday's win over Texas, but was bailed out by Pat Neshek, who prevented his inherited runners from scoring by inducing an inning-ending double-play.

12:42 AM - Tony Sipp (Hou) picked up a save in extra innings despite allowing a run on two hits Tuesday against the White Sox.

11:15 AM - Tony Sipp (Hou) was activated from the paternity list Saturday, Jake Kaplan of the Houston Chronicle reports.

11:17 AM - Tony Sipp (Hou) was placed on the paternity list Friday.

9:59 AM - Tony Sipp (Hou) has appeared in six games out of the Astros' bullpen this season, struggling to the tune of three runs on seven hits and three walks with six strikeouts over 4.2 innings.

10:33 AM - Tony Sipp (Hou) has made four Grapefruit League appearances, allowing two runs on five hits with three walks and four strikeouts over three innings.

5:49 AM - Tony Sipp (Hou) signed a three-year, $18 million deal with the Astros on Thursday, FOX Sports' Ken Rosenthal reports.

1:40 PM - Tony Sipp (Hou) (oblique) returned to the mound Sunday, striking out the only batter he faced.

7:08 PM - Tony Sipp (Hou) (oblique) is set to rejoin the Astros this weekend, the Houston Chronicle reports.

1:21 PM - Tony Sipp (Hou) has a back/oblique concern and will go for further tests this weekend, the Houston Chronicle's Evan Drellich reports.

5:51 AM - Tony Sipp (Hou) struck out three over two scoreless innings during Monday's 8-2 loss to the Rays.

3:51 AM - Tony Sipp (Hou) (2-4) took his fourth loss of the season in relief after giving up a two-run homer to Hanley Ramirez during Sunday's 5-4 loss to the Red Sox.

10:06 AM - Tony Sipp (Hou) signed LHP Tony Sipp to a one-year contract.

5:45 PM - Tony Sipp (SD) source tells Chris Cotillo of MLB Daily Dish that Tony Sipp won't opt out of his minor league contract with the Padres.

3:18 PM - Tony Sipp (SD) Cotillo of MLBDailyDish.com reports that Tony Sipp is undecided on whether he'll opt out of his minor league contract with the Padres.

7:20 PM - Tony Sipp (SD) Sipp continued his impressive Cactus League display, tossing 1 1/3 scoreless frames in Sunday's win over the Rangers.

6:09 AM - Tony Sipp (SD) signed LHP Tony Sipp to a minor league contract.

6:59 PM - Tony Sipp (AZ) Brock of MLB.com reports that the Padres are closing in on a minor league deal with Tony Sipp.

9:59 AM - Tony Sipp (AZ) Cotillo of MLBDailyDish.com reports that "several teams are in on" Tony Sipp.

12:48 PM - Tony Sipp (AZ) Sipp has elected to become a free agent.

1:44 PM - Tony Sipp (AZ) designated LHP Tony Sipp for assignment.

8:56 AM - Tony Sipp (AZ) recalled LHP Tony Sipp from Triple-A Reno.

12:19 PM - Tony Sipp (AZ) optioned LHP Tony Sipp to Triple-A Reno.

7:29 AM - Tony Sipp (AZ) designated LHP Tony Sipp for assignment.

11:09 PM - Tony Sipp (AZ) Sipp's walk rate (6.0) and strike-to-walk rate (1.38) are the highest and lowest of his career, respectively.

2:10 PM - Tony Sipp (AZ) and LHP Tony Sipp avoided arbitration by agreeing to a one-year, $1.275 million contract.