The Nationals released Armenteros on Monday, Jesse Dougherty of The Washington Post reports.
The righty appeared in 10 games for Triple-A Rochester this season, posting a 6.08 ERA and 42:25 K:BB in 40 innings. He hasn't pitched at that level since June 29, though, as he's been out since then with an injury. Armenteros threw a scoreless inning Saturday in the Florida Complex League, but he's likely too early in the rehab process to draw interest from MLB teams this season. He hasn't appeared in the big leagues since 2019, when he had a 4.00 ERA in five games with the Astros.
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Nationals' Rogelio Armenteros: Outrighted to Triple-A
Rotowire
Armenteros cleared waivers and was outrighted to Triple-A Rochester on Friday, Matt Weyrich of NBC Sports Washington reports.
Armenteros was designated for assignment earlier in the week and will remain with the Nationals' organization after going unclaimed on waivers. The 26-year-old has been pitching at Triple-A all season and has a 5.83 ERA, 1.68 WHIP and 31:19 K:BB over 29.1 innings (seven starts).
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Nationals' Rogelio Armenteros: Designated for assignment
Rotowire
Armenteros was designated for assignment Tuesday, Jessica Camerato of MLB.com reports.
Armenteros recorded a respectable 4.00 ERA in his 18-inning debut back in 2019 but has failed to crack the active roster since then. He missed last season due to elbow issues and has struggled to a 5.83 ERA in seven starts for Triple-A Rochester this season. The move clears space on the 40-man roster for the Nationals to select Justin Miller's contract.
Nationals' Rogelio Armenteros: Erratic control early on
Rotowire
Armenteros (arm) has posted a 7.71 ERA, 2.31 WHIP and 10:13 K:BB across 9.1 innings through his first three starts of the season with Triple-A Rochester.
After missing all of the 2020 season while recovering from elbow surgery, Armenteros reported to spring training with Washington at full health, only to get shut down for a period of time soon after with right arm soreness. The injury took Armenteros out of contention for a spot in the big-league rotation, but he was able to regain enough health to join the Triple-A affiliate for the start of the minor-league season. The early results with Rochester haven't been encouraging for the 26-year-old, who will need to show improved control in his subsequent outings before the Nationals consider calling him up.
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Nationals' Rogelio Armenteros: Sent to minors
Rotowire
Armenteros (arm) was optioned to Triple-A Rochester on Sunday, Mark Zuckerman of MASNSports.com reports.
The 26-year-old was shut down in early March after experiencing right arm soreness and was unable to return to Grapefruit League action over the past few weeks. Armenteros sat out the 2020 campaign after having a bone spur removed before the season, and he was claimed off waivers by the Nationals in December. He should provide organizational depth at Triple-A.
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Nationals' Rogelio Armenteros: Cleared to throw again
Rotowire
Armenteros (arm) was cleared to resume a throwing program Monday, Maria Torres of The Athletic reports.
Armenteros was shut down last week after experiencing some arm soreness, but a few days of rest was apparently all he needed to address the issue. The brief shutdown will still put him behind the Nationals' other pitchers, so Armenteros' chances of breaking camp as a member of the big-league rotation appear to have taken a hit.
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Nationals' Rogelio Armenteros: Managing arm soreness
Rotowire
Armenteros has been shut down for at least a few days due to right arm soreness, Matt Weyrich of NBC Sports Washington reports.
The 26-year-old has been mentioned as a candidate for the fifth spot in Washington's starting rotation, but he's battling arm soreness early in camp. The severity of the injury remains unclear, but any absence will make it more difficult for Armenteros to state his case for a spot on the Opening Day roster.
Armenteros (elbow) will throw off the bullpen mound Saturday, Jessica Camerato of MLB.com reports.
Armenteros sat out the entire 2020 season after he had a bone spur removed from his elbow in March and was non-tendered by the Astros during the offseason. If he's fully healthy, the right-hander should compete for a job on the major-league pitching staff heading into the 2021 campaign. Armenteros has served mainly as a starter in the past but could also settle for a bullpen role with the Nationals.
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Nationals' Rogelio Armenteros: Scooped up by Nats
Rotowire
The Nationals claimed Armenteros (elbow) off waivers from the Diamondbacks on Monday, Brittany Ghiroli of The Athletic reports.
Armenteros was non-tendered by the Astros earlier this offseason after missing the entire 2020 season while recovering from elbow surgery. The Diamondbacks initially claimed the right-hander off waivers, but he spent just over two weeks on their roster before being scooped up by Washington. The right-hander should be back to full health for spring training, when he'll most likely be competing for a spot in the Triple-A Fresno rotation. Armenteros previously made five appearances at the big-league level with Houston in 2019, posting a 4.00 ERA, 1.22 WHIP and 18 strikeouts in 18 innings.
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Diamondbacks' Rogelio Armenteros: Heading to Arizona
Rotowire
Armenteros (elbow) was claimed off waivers by the Diamondbacks on Friday.
The 26-year-old was recently removed from Houston's 40-man roster but will now receive an opportunity in Arizona. Armenteros missed the 2020 season while recovering from March elbow surgery. The 26-year-old made his big-league debut in 2019 and had a 4.00 ERA, 1.22 WHIP and 18:5 K:BB across 18 innings (five appearances).
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Astros' Rogelio Armenteros: Transferred to 45-day IL
Rotowire
Armenteros (elbow) was transferred to the 45-day injured list Saturday, Chandler Rome of the Houston Chronicle reports.
The move is simply procedural and will clear a spot on the 40-man roster as Armenteros continues to recover from the elbow surgery he underwent in March. He could potentially be cleared to pitch prior to the end of the season, but it's unclear where he is in his recovery process.
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Astros' Rogelio Armenteros: Lands on IL
Rotowire
Armenteros (elbow) was placed on the 10-day IL on Thursday, Julia Morales of AT&T SportsNet Southwest reports.
This was expected, as Armenteros is still rehabbing from March elbow surgery. If all goes well, he could be cleared to pitch before the end of the season.
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Astros' Rogelio Armenteros: Continuing rehab
Rotowire
Armenteros (elbow) is still in rehab from March elbow surgery but could be cleared before the end of the season, Jake Kaplan of The Athletic reports.
The 26-year-old had a bone spur removed from his right elbow in mid-March and was given a four-month recovery timeline, so it appears he's avoided any significant setbacks. Armenteros was included in Houston's initial 60-man roster pool, which indicates he may not be sidelined too long.
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Astros' Rogelio Armenteros: Part of player pool
Rotowire
Armenteros (elbow) is part of Houston's 60-man player pool.
Armenteros underwent surgery to remove a bone spur in March and was given a recovery time of four months, which puts his return about a week before the regular season is set to commence. Given the recent surgery, the Astros are probably not going to carry the right-hander on the active roster for Opening Day.
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Astros' Rogelio Armenteros: Expected to miss four months
Rotowire
Armenteros (elbow) underwent surgery to have a bone spur removed from his right elbow Friday and is expected to be out four months, Jake Kaplan of The Athletic reports.
Armenteros had been shut down since Feb. 21 as a result of elbow and shoulder soreness, but he's now expected to be on the shelf for approximately four months prior to returning to action. The right-hander was expected to begin the season at Triple-A, but he could be in the minors for a longer period of time as he'll likely need to work back into game action once he's ready to return. Armenteros posted a 4.80 ERA and 85:31 K:BB over 84.1 innings with Triple-A Round Rock last season.
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Astros' Rogelio Armenteros: Set to be out eight weeks
Rotowire
Armenteros (elbow and shoulder) underwent surgery Friday and will be out approximately eight weeks, Chandler Rome of the Houston Chronicle reports.
Armenteros was shut down Feb. 21 due to elbow and shoulder soreness. The details of the surgery are not clear at the moment, but the pitcher is expected to be out of action until mid-May. With the sports world currently in a hiatus, there's a possibility Armenteros will be able to resume baseball activities before missing an extended portion of the regular season.
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Astros' Rogelio Armenteros: Managing elbow and shoulder issues
Rotowire
Armenteros was shut down with elbow and shoulder soreness Firday, Chandler Rome of the Houston Chronicle reports.
Armenteros made his major-league debut in 2019 and had a 4.00 ERA, 1.22 WHIP and 18:5 K:BB in five outings (two starts). The 25-year-old figured to compete for a bullpen job in spring training, but that pursuit will be put on hold until he's cleared to throw.
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Astros' Rogelio Armenteros: Returns to minors
Rotowire
Armenteros was optioned to Triple-A Round Rock on Saturday, Chandler Rome of the Houston Chronicle reports.
Armenteros (1-1) struggled in his start against the Athletics on Saturday, giving up five earned runs off seven hits and one walk while striking out three over four innings as he was charged with the loss. The right-hander will return to Round Rock, where he carries a 5.05 ERA with a 72:28 K:BB over 71.1 innings this season. Brad Peacock is expected to be activated off the injured list in a corresponding move, Julia Morales of AT&T SportsNet Southwest reports.
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Astros' Rogelio Armenteros: Promoted prior to Saturday's start
Rotowire
Armenteros was recalled from Triple-A Round Rock prior to his start Saturday against the A's, Chandler Rome of the Houston Chronicle reports.
He has a 1.93 ERA and 1.00 WHIP with 15 strikeouts in 14 MLB innings, but three of his four appearances were out of the bullpen. Armenteros has logged six-plus innings in his last two starts for the Express, so he is certainly capable of qualifying for a win in Oakland.
