Gregerson worked around Alex Gordon's solo home run in the ninth inning Sunday to collect his third save of the 2015 postseason. He struck out one over 1.1 innings.

Gregerson has seen plenty of work in the playoffs thus far and actually earned a four-out save Sunday against the Royals. It was only the fifth time he's earned a save of more than three outs in his career.

Gregerson needed only 13 pitches (nine for strikes) to complete a scoreless ninth inning Thursday against the Royals to earn his second save of the 2015 postseason. He struck out two.

Two nights after preserving a 3-0 win over the Yankees in the AL Wild Card game, Gregerson was back at it with a scoreless inning against the Royals. He struck out Kendrys Morales to open the the frame, but proceeded to hit Mike Moustakas with a pitch. Fortunately, Gregerson rebounded to retire Salvador Perez (strikeout) and Alex Gordon (foul out) to escape the inning with no further damage. Through two playoff appearances this season, the 31-year-old right-hander has allowed just one baserunner while striking out four over two scoreless innings.

Gregerson allowed a hit and struck out a batter across a scoreless inning en route to his 41st save in a 7-6 win over the Mariners on Wednesday.

It took Gregerson just six pitches to get his save and it was a win the Astros desperately needed. The numbers have been solid for the righty, as he holds a 3.15 ERA and 0.97 WHIP in 60 innings this season. His biggest strength is his control, as Gregerson has walked only 10 batters all season.

Gregerson rebounded Sunday, needing only 10 pitches (eight for strikes) to complete a perfect ninth inning against the Rangers to earn his 29th save of the season.

After allowing three runs on four hits during a non-save situation Saturday, Gregerson was right back in there to pitch a high-leverage situation Sunday. He obviously responded well and lowered his ERA to 3.24 with the scoreless outing.

Gregerson struggled in a non-save situation Saturday, giving up three runs on four hits in 0.2 innings.

He also hit a batter with a pitch. Gregerson started the ninth inning protecting a 9-4 lead, but after striking out the first two hitters he faced the wheels came off, forcing Will Harris to record the final out of the game. Gregerson hasn't officially blown a save since early August, so his job as closer is in no jeopardy despite Saturday's meltdown.

Gregerson (personal) will rejoin the Astros on Saturday.

The right-hander left the team earlier in the week to await the birth of his child, but manager A.J. Hinch said Gregerson will be back for the final two games of the A's series. Houston hasn't missed its endgamer the last two days, but that's because the team was blown out 14-3 and 8-2 on Wednesday and Thursday, respectively. Pat Neshek remains the top fill-in option in Gregerson's absence.

Gregerson will leave the team Wednesday to be with his wife as she goes into labor, Brian McTaggart of MLB.com reports.

The Astros have not officially made a move, but it's entirely possible, even with expanded rosters, Gregerson winds up on the paternity list. If he does, Gregerson could remain on leave for up to three days. Pat Neshek, who has posted a 3.16 ERA, 0.97 WHIP and 28 holds this season, is a logical candidate to step into the closer role in Gregerson's absence.

Houston Astros relief pitcher Luke Gregerson left the team Wednesday to be with his wife, as the two are expecting a child, according to MLB.com.

Houston Astros relief pitcher Luke Gregerson left the team Wednesday to be with his wife, as the two are expecting a child, according to MLB.com. Gregerson has yet to be placed on the paternity list, which would afford him an absence of up to three days.

Gregerson pitched a perfect ninth inning against the Angels on Sunday to earn his 27th save of the season.

Gregerson threw only 10 pitches (seven for strikes) and lowered his ERA to 2.98 with his second straight scoreless appearance for the Astros.

Gregerson (7-3)took the loss on Saturday, surrendering two hits and two earned runs in one inning in a 3-2 defeat to the Twins. He also struck out a batter.

Gregerson began his night by giving up a single to Brian Dozier and hitting Trevor Plouffe two batters later, setting the stage for a two RBI-triple by Eddie Rosario that went off the glove of George Springer. The two earned runs he yielded Saturday were the first surrendered by the veteran reliever since an Aug. 9 blown save against the A's, and he is expected to remain the Astros closer for the remainder of the season.

Gregerson secured his 25th save by pitching a scoreless ninth inning in a 4-1 victory over the Twins on Saturday. He struck out two.

Gregerson seems to be settling into a solid groove in the season's stretch run. Saturday's performance marked his seventh consecutive appearance without allowing a run after blowing back-to-back save opportunities earlier in the month. The hard-throwing right-hander now has 12 whiffs in 11.2 August innings and looks to have a firm grasp on the closer's role as the Astros continue their postseason push.

Gregerson worked around a hit during a scoreless inning to record his 24th save of the season Saturday against the Dodgers.

The right-hander has settled down recently, allowing just two runs in his last 10 appearances, and he has lowered his ERA to a respectable 2.94. Gergerson should receive plenty of save opportunities for the first-place Astros and he will remain a solid fantasy reliever if he can remain consistent.

Gregerson pitched a perfect ninth inning against the Giants on Wednesday to earn his 23rd save of the season.

Gregerson rebounded Wednesday after two consecutive rough appearances, during which he allowed four runs (two earned) on eight base runners over 1.2 innings. Overall, the Astros' closer has a 3.35 ERA and 1.12 WHIP with a 38:10 K:BB ratio over 43 innings this season.

Gregerson (5-2) took his second loss Sunday against the A's, allowing two runs on four hits and a walk during the ninth inning to blow his sixth save of the season.

Gregerson has allowed four runs (two earned) on five hits and three walks over his last two appearances, during which he blew the save in both games. If his struggles continue, the Astros may turn to Pat Neshek (2.83 ERA) or Josh Fields (2.43 ERA) to close out games as the team attempts to remain atop both the AL West standings and playoff contention alike.

Gregerson (5-1) blew his fifth save of the season, giving up two unearned runs in the ninth Thursday against the A's.

Gregerson was credited with the win despite blowing his fifth save in 26 chances. He issued a leadoff walk before Jed Lowrie's throwing error led to a pair of unearned runs to tie the game. Gregerson is now 3-1 in games where he's blown a save.

Gregerson pitched a scoreless ninth inning Sunday against the Diamondbacks to earn his 22nd save of the season.

He allowed a leadoff double to Jake Lamb, but prevented any further damage by inducing two groundball outs and a line out to right field. Gregerson ranks sixth in the AL and 17th overall in saves, while posting a solid 3.12 ERA and 0.99 WHIP over 40.1 innings.

Gregerson pitched a perfect ninth against the Red Sox on Wednesday for his 20th save.

Gregerson picked up his 20th save in 23 chances. For the season, the 31-year-old has a 3.06 ERA, 0.91 WHIP and 33:6 K:BB ratio in 35.1 innings.

Gregerson tossed a scoreless ninth inning against the Rangers on Friday to earn his 19th save of the season.

He allowed an infield single to Rougned Odor to bring up the potential go-ahead run in Prince Fielder, but Gregerson ultimately got Fielder to ground out to short on a 3-2 pitch. The save chances have been few and far between for Gregerson over the past month -- Friday's opportunity was just his second since June 17 -- but he still ranks in the top 10 in the AL in saves.

Gregerson struck out a batter during a perfect ninth inning Tuesday against the Rockies to earn his 17th save of the season.

Gregerson needed only seven pitches (six thrown for strikes) to retire Charlie Blackmon, Corey Dickerson and Troy Tulowitzki in order. After a disastrous outing against Toronto on June 7, the 31-year-old right-hander has three straight scoreless appearances for the Astros, lowering his ERA from 4.50 to 4.00 during that span.

Gregerson picked up his 16th save in Houston's win Monday over Colorado. He allowed a hit but avoided any further damage.

Gregerson's ERA sits at an ugly 4.15, but he has six shutout innings in his last seven with 10 strikeouts and no walks over that span. At 16-of-18 on save opportunities he looks to have a hold on the job, and his track record -- four straight seasons of an ERA under 3.00 -- deserves respect.