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Diego Castillo (b. 1997)

Players Entering Minor League Free Agency

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Major League free agents became eligible to sign with other teams on Thursday, but the minor league free agent market has technically been open since season’s end.  MLBTR has published several posts detailing players who had already elected to become minor free agents, but Baseball America’s Matt Eddy (multiple links) has the full account of all the minor league free agents that officially joined their big league counterparts on the open market on Thursday.

This list details only players who have played in the Major Leagues, and whose minor league free agency hasn’t already been covered on MLBTR in the last month.

Athletics: Aaron Brooks, Carlos Duran, CD Pelham, Bryan Lavastida, Nick Martini, Alejo Lopez

Braves: Ian Anderson, Davis Daniel, Enoli Paredes, Amos Willingham, Brian Moran, Jonathan Ornelas, Chandler Seagle, Matthew Batten, Conner Capel

Orioles: Jakson Reetz, Livan Soto, Thaddeus Ward

Red Sox: John Brebbia, Isaiah Campbell, Mark Kolozsvary, Chadwick Tromp, Seby Zavala, Trayce Thompson

Cubs: Yency Almonte, Zach Pop, Caleb Kilian, Austin Gomber, Forrest Wall, Billy Hamilton, Joe Ross, Tommy Romero, Antonio Santos, Tom Cosgrove, Dixon Machado, Nicky Lopez, Carlos Perez

White Sox: Elvis Peguero, Kyle Tyler, Vinny Capra, Chris Rodriguez, Caleb Freeman, Joe Perez, Owen White, Andre Lipcius

Reds: Tejay Antone, Alan Busenitz, Buck Farmer, Josh Staumont, P.J. Higgins, Eric Yang, Levi Jordan, Edwin Rios, Davis Wendzel, Evan Kravetz, Adam Plutko, Charlie Barnes, Alex Young

Guardians: Riley Pint, Tyler Naquin, Parker Mushinski

Rockies: Xzavion Curry, Sean Bouchard, Owen Miller, Karl Kauffmann,

Tigers: Kevin Newman, Brian Serven, Jordan Balazovic, Nick Margevicius, Blair Calvo

Astros: Jon Singleton, Joe Hudson, Kenedy Corona, Greg Jones, Matt Bowman, Luis Contreras, Tyler Ivey, John Rooney

Royals: John Gant, Spencer Turnbull, Bobby Dalbec, Diego Castillo, Geoff Hartlieb, Jordan Groshans, Nick Pratto, Isan Diaz, Stephen Nogosek, Nick Robertson, Joey Krehbiel, Noah Murdock, Ryan Hendrix

Angels: Shaun Anderson, Brandon Drury, Yolmer Sanchez, Ben Gamel, Evan White, Cavan Biggio, Logan Davidson, Travis Blankenhorn, Oscar Colas, Kelvin Caceres, Dakota Hudson, Chad Stevens, Angel Felipe, Jordan Holloway, Victor Gonzalez

Dodgers: Michael Grove, Luken Baker, Giovanny Gallegos, Kyle Funkhouser, Chris Okey, CJ Alexander, Zach Penrod

Marlins: Jack Winkler, Lane Ramsey

Brewers: Luis Urias, Oliver Dunn, Julian Merryweather, Daz Cameron, Drew Avans, Josh Maciejewski, Jared Oliva

Twins: Jose Miranda, Anthony Misiewicz, Jonah Bride, Thomas Hatch, Daniel Duarte, Connor Gillispie

Mets: Joey Meneses, Jose Azocar, Joe La Sorsa, Gilberto Celestino, Ty Adcock, Bryce Montes de Oca, Yacksel Rios, Oliver Ortega, Luis De Los Santos

Yankees: Kenta Maeda, Jeimer Candelario, Rob Brantly, Andrew Velazquez, Jose Rojas, Joel Kuhnel, Wilking Rodriguez

Phillies: Matt Manning, Adonis Medina, Lucas Sims, Jacob Waguespack, Phil Bickford, Rodolfo Castro, Oscar Mercado, Brewer Hicklen, Christian Arroyo, Payton Henry

Pirates: Brett Sullivan, Nick Solak, Nelson Velazquez, Beau Burrows, Ryder Ryan

Cardinals: Zach Plesac, Anthony Veneziano, Tyler Matzek, Zack Weiss, Drew Rom, Aaron Wilkerson

Padres: Eguy Rosario, Tim Locastro, Reiss Knehr, Nate Mondou

Giants: Sean Hjelle, Miguel Diaz, Max Stassi, Sam Huff, Cole Waites, Drew Ellis, Ethan Small

Mariners: Michael Fulmer, Casey Lawrence, Collin Snider, Jesse Hahn, Nick Anderson, Josh Fleming, Austin Shenton, Jacob Nottingham, Beau Taylor, Cade Marlowe, Jack Lopez, Michael Mariot, Hagen Danner

Rays: Cooper Hummel, Jonathan Hernandez, Jamie Westbrook, Tres Barrera

Rangers: Omar Narvaez, Cal Quantrill, Ty Blach, Alan Trejo, Joe Barlow, Cory Abbott, Michael Plassmeyer, Alex De Goti

Blue Jays: Eloy Jimenez, Buddy Kennedy, Joe Mantiply, Elieser Hernandez, Rene Pinto, Adam Kloffenstein

Nationals: Francisco Mejia, Juan Yepez, Joan Adon, CJ Stubbs, Parker Dunshee, Erick Mejia, Adrian Sampson, Delino DeShields

Royals Acquire Diego Castillo

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The Royals have acquired infielder Diego Castillo from the Mets, according to his transactions tracker at MLB.com. He has been assigned to Triple-A Omaha. The log doesn’t specify what the Mets are receiving in return but it seems likely to be a cash deal.

Castillo is a 27-year-old infielder and not to be confused with the 31-year-old pitcher of the same name, who is in the Rockies’ system on a minor league deal. The infielder signed a minor league deal with the Mets in the offseason and has appeared in 13 Triple-A games so far this season. He has a rough .167/.217/.262 line, though it’s a tiny sample of 46 plate appearances and he has been held back by a .188 batting average in balls in play.

That performance probably didn’t help his standing with the Mets. Additionally, the club’s infield picture is far stronger than it was to start the year. Jeff McNeil started the season on the injured list but has been back for a few weeks now. Brett Baty has been heating up after a cold start. Luisangel Acuña is performing well enough as a bench piece. Ronny Mauricio is also back on the field and playing minor league games after missing 2024 due to a torn ACL.

For the Royals, both Michael Massey and Jonathan India are having rough years, so the second base production hasn’t been great. The Royals have received a collective .217/.251/.280 line from the keystone this year, with Massey taking most of the playing time. That results in a wRC+ of 44, which puts the Royals ahead of just the Rockies in terms of offensive production from that position. They just recalled Nick Loftin as the corresponding move for outfielder Hunter Renfroe being designated for assignment, so Castillo will perhaps take up Loftin’s spot on the Omaha roster.

Though Castillo is out to a slow start this year, his minor league track record is solid. From the start of 2021 to the present, he has stepped to the plate 1,663 times on the farm with a 13.3% walk rate, 14.9% strikeout rate, .278/.377/.418 line and 108 wRC+. Defensively, he has spent time at all four infield spots and the outfield corners. His major league batting line is only .208/.257/.383, but that’s in a fairly small sample size of 292 plate appearances, most of which came with the 2022 Pirates.

Photo courtesy of Jesse Johnson, Imagn Images

Mets Sign Diego Castillo To Minor League Deal

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The Mets signed infielder Diego Castillo to a minor league contract, as reflected on the MLB.com transaction log. Venezuelan journalist Georgeny Pérez first reported the move last week.

Castillo, not to be confused with the reliever of the same name, is a 27-year-old utilityman. He played in four games for the Twins last season, collecting two hits in six at-bats. Minnesota outrighted him off the 40-man roster in July. He spent the rest of the season in Triple-A before electing minor league free agency. The righty-hitting infielder turned in a solid .261/.364/.397 slash with nearly as many walks as strikeouts in 113 games.

It was the second straight season in which Castillo spent a few days in the majors. His only significant big league experience came with the Pirates in 2022. He hit .206/.251/.382 while striking out at a 26.5% clip over 283 plate appearances. Castillo has shown much better strike zone discipline in Triple-A, where he’s a .283/.393/.403 hitter over four seasons. He has minimal power but a good upper minors track record and the ability to bounce around the infield.

This is technically Castillo’s second stint with the Mets. He spent exactly a week on their 40-man roster in January 2024. New York grabbed him off waivers from Arizona and designated him for assignment seven days later. He subsequently bounced around the league via waivers before landing with the Twins in a minor trade in April. Castillo has an option remaining, so the Mets could shuttle him between Queens and Triple-A Syracuse if he secures a 40-man roster spot during the regular season.

34 Players Elect Free Agency

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As the offseason nears, a number of players elect minor league free agency each week. These players are separate from six-year MLB free agents, who’ll reach the open market five days after the conclusion of the World Series. Eligible minor leaguers can begin electing free agency as soon as the regular season wraps up. These players were all outrighted off a team’s 40-man roster during the year and have the requisite service time and/or multiple career outrights necessary to reach free agency since they weren’t added back to teams’ rosters.

Electing free agency is the anticipated outcome for these players. There’ll surely be more to test the market in the coming weeks. We’ll offer periodic updates at MLBTR. These transactions are all reflected on the MiLB.com log.

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Twins Outright Diego A. Castillo

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July 26: Castillo cleared waivers and accepted an outright assignment to Triple-A St. Paul, per Do-Hyoung Park of MLB.com on X.

July 24: The Twins announced Wednesday that they’ve designated infielder Diego Castillo for assignment and optioned right-hander Ronny Henriquez to Triple-A St. Paul. Their spots on the roster will go to reliever Brock Stewart, who’s been activated from the 60-day injured list, and righty David Festa, who’s been recalled from St. Paul.

Castillo, 26, appeared in four games with the Twins and went 2-for-6 with a double, two walks and a strikeout in eight plate appearances. He’s had a nice season in the minors as well, hitting a combined .274/.382/.403 in 296 plate  appearances between the Triple-A affiliates for Baltimore and Minnesota. That marks the continuation of a long run of OBP-driven production in the upper minors. Castillo has played in parts of four Triple-A seasons, and while he doesn’t hit for a ton of power, he’s a .290/.402/.406 hitter in 1073 Triple-A plate appearances. He’s primarily been a shortstop (3906 innings) but also has 1922 innings at second base, 619 innings at third base, 535 innings in left field, 224 innings in right field and 66 innings at first base.

Despite that versatility and a strong Triple-A track record, Castillo hasn’t gotten much big league playing time. He made his debut with the 2022 Pirates and logged a career-high 283 plate appearances. However, he hit just .206/.251/.382. The D-backs gave him one big league plate appearance in 2023, and the Twins have given him all of eight.

It’s certainly arguable that Castillo deserves a longer look somewhere, but a Twins organization that’s deeper in the infield than anywhere else on the diamond was probably never going to have that opportunity. Even with each of Royce Lewis, Carlos Correa, Jose Miranda, Kyle Farmer and Alex Kirilloff on the injured list, Minnesota has Carlos Santana at first base, Edouard Julien at second base, All-Star Willi Castro at shortstop and top prospect Brooks Lee at third base. Several of the injured Twins will be back sooner than later, too. Lewis began a rehab assignment in Triple-A last night. Miranda will follow suit today.

Minnesota will either trade Castillo or place him on outright waivers within the next five days. Waivers themselves could be another 48-hour process. Castillo will know the outcome of his DFA within the next week.

As for Stewart, his return will be a significant boon for the Twins’ bullpen. The former Dodgers prospect has proven to be an exceptional find on a minor league pact. He’s missed time with injury in each of the past two seasons, but Stewart has added considerable velocity since his rotation days in the Dodgers’ system and has been a bullpen behemoth in Minnesota when healthy. He’s pitched 41 innings dating back to 2023 and carries a remarkable 0.66 ERA with a huge 34.8% strikeout rate against a 10.6% walk rate.

Stewart will slide right into a late-inning, high-leverage mix also including Jhoan Duran, Griffin Jax and Jorge Alcala. Righty Justin Topa also also went out on a rehab assignment yesterday, providing another potential boost in the near future. He’s been out all season with a knee injury but posted a 2.61 ERA, 21.9% strikeout rate, 6.5% walk rate and 56.7% ground-ball rate in 69 innings for the Mariners last season. The Twins added Topa in the offseason trade that send Jorge Polanco to Seattle.

Twins To Place Jose Miranda On 10-Day Injured List

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The Twins will place Jose Miranda on the 10-day injured list prior to tomorrow’s game with the Giants, manager Rocco Baldelli told reporters (including Betsy Helfand of the St. Paul Pioneer Press).  Utilityman Diego Castillo will have his contract selected from Triple-A to take Miranda’s spot on the active roster, and the Twins will have to make another move to clear space on the 40-man roster.

Lower back tightness has kept Miranda off the field since Wednesday, so the Twins will be able to backdate Miranda’s IL stint to July 11.  With the four-day All-Star break also factoring into the 10-day span, Miranda won’t miss much additional game time if he is able to return after only 10 days, though the Twins will certainly be careful with a player who has emerged as one of their chief offensive weapons.

Miranda seemed to lay claim to the Twins’ third base job with a very solid rookie season in 2022, but then struggled through a rough 2023 campaign that was limited to 40 games due to shoulder surgery.  Royce Lewis’ own injury problems allowed Miranda to get a fresh chance at regular playing time this season, and he has explored for nine home runs and a .325/.366/.522 slash line over 276 plate appearances, translating to a 149 wRC+.  This big year included a place in the history books, as Miranda’s string of 12 consecutive at-bats with a hit matched a Major League record.

Miranda has a .349 BABIP, and between middling hard-contact numbers and a below-average 5.1% walk rate, he is certainly overachieving to some extent — the infielder’s .380 wOBA is well above his .345 xwOBA.  Still, even that xwOBA is well above the league average, and Miranda’s contact is helped by the fact that he is rarely swinging and missing.  His 13.4% strikeout rate is in the 93rd percentile of all batters, even if his chase rate is unimpressive.

This production has been a big reason why the Twins are in possession of an AL wild card spot, so the club can only hope that Miranda’s back problem won’t linger.  Beyond just Miranda’s absence, the Twins’ wider-scale problem is a sudden swath of infield injuries, as Miranda joins Lewis, Kyle Farmer, Alex Kirilloff, and Austin Martin on the club’s 10-day IL.  Star shortstop Carlos Correa was also a late scratch from today’s lineup due to a heel contusion, though there isn’t yet any indication that Correa’s injury is anything but a day-to-day issue.  With so much infield depth missing, Minnesota had to get creative with today’s lineup, moving catcher Christian Vazquez to third base — Jair Camargo was called up from Triple-A earlier this week, so the Twins still had flexibility behind the plate with Vazquez, Camargo, and Ryan Jeffers all available.

Castillo brings some versatility to this mix, as the 26-year-old has already played five different positions and even thrown a couple of innings over his two MLB seasons.  Debuting with the Pirates in 2022, Castillo hit .206/.251/.382 over 283 during his first year in the Show, and was then traded to the Diamondbacks after the season and appeared in just one MLB game during the 2023 campaign.  A flurry of waiver claims this winter saw Castillo join four different organizations before finally landing with Minnesota, via an early April trade with the Orioles.

Orioles Trade Diego Castillo To Twins

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The Orioles announced Friday that they’ve traded minor league infielder/outfielder Diego Castillo to the Twins in exchange for cash. He’s not to be confused with veteran reliever Diego Castillo — the former Mariners/Rays closer and setup man who also joined the Twins on a minor league deal last week.

This latest trade will bring the younger, 26-year-old Castillo to the Twins. It was an eventful offseason for the versatile utilityman, who bounced from the D-backs, to the Mets, to the Yankees, to the Phillies, to the Orioles via the DFA carousel in a span of about two months. The Orioles finally succeeded in sneaking Castillo through waivers back in February, retaining him without needing to dedicate a spot on the 40-man roster. He’ll now join an incredible sixth organization in the past four months. Since the O’s outrighted Castillo back in February, he won’t need to go onto the Twins’ 40-man roster and can head right to their Triple-A affiliate in St. Paul.

Castillo spent the 2023 season with the D-backs organization but only appeared in one big league game and went hitless in his only plate appearance. He’d picked up 283 plate appearances with the Pirates a year prior but managed only a .206/.251/.382 batting line in what was his MLB debut effort.

The majority of Castillo’s 2023 season was spent with the Diamondbacks’ Triple-A affiliate in Reno, where he posted an excellent .313/.431/.410 slash with more walks (17.4%) than strikeouts (14.2%) in 556 plate appearances. He played second base, shortstop, third base and left field in Reno. Castillo has played 177 career games in Triple-A and is a .296/.410/.407 hitter.

Castillo doesn’t have much power but has long drawn praise for his plus hit tool, which is evidenced by his minimal strikeout rates. He pairs that with a keen eye at the plate, a bit of speed and plenty of defensive versatility, even if he’s not regarded as a plus defender anywhere on the diamond. The Twins recently lost third baseman Royce Lewis to a quad strain, and top infield prospect Brooks Lee is out until late April due to a back injury. They recalled prospect Austin Martin to replace Lewis on the big league roster, and his departure from St. Paul, coupled with Lee’s injury, likely pushed the Twins to acquire some additional depth in the form of Castillo.

Orioles Outright Diego Castillo

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The Orioles announced that infielder Diego Castillo has gone unclaimed on waivers and was sent outright to Triple-A Norfolk. He remains in the organization and seems likely to get a non-roster invite to big league Spring Training.

It’s a resolution to what has likely been a tumultuous few weeks for Castillo. He has changed hands on waivers four times since being designated for assignment by the Diamondbacks just before Christmas. Castillo briefly landed with each of the Mets, Yankees and Phillies. Philadelphia designated him for assignment a week ago to clear room for Kaleb Ort (whom they coincidentally subsequently DFA and traded to Baltimore yesterday). The O’s grabbed Castillo but DFA him themselves on Sunday when they acquired lefty reliever Matt Krook.

Baltimore succeeded in sneaking him through waivers unclaimed and keeping him around in a non-roster capacity. Castillo is clearly of intrigue to a number of teams as a depth option. The Venezuela native has shown strong contact skills in the minors. He owns a .296/.410/.407 batting line over parts of three Triple-A seasons, including a .313/.431/.410 slash for Arizona’s top affiliate a year ago.

That didn’t translate into MLB success during Castillo’s rookie campaign with the Pirates. The righty hitter put up a .206/.251/.382 showing in 96 games with Pittsburgh two seasons ago. He only appeared at the major league level once for Arizona last year. Castillo figures to open the 2024 campaign in Norfolk behind a deep collection of infield talent on the Baltimore 40-man roster.

Orioles Acquire Matt Krook From Yankees

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The Orioles acquired left-hander Matt Krook from the Yankees today in exchange for cash considerations, according to an announcement from both clubs. Baltimore designated infielder Diego Castillo for assignment in order to make room for Krook on the club’s 40-man roster.

Krook, 29, had been designated for assignment by the Yankees earlier this week in order to make room for infielder Jordan Groshans on the club’s 40-man roster. Krook made his big league debut last year and struggled badly in four innings of work, walking six batters and allowing 11 runs during his brief cameo in the majors. Brutal as that start to Krook’s big league career was, the southpaw was dominant at the Triple-A level for the Yankees last year, pitching to a 1.32 ERA in 27 appearances while striking out a whopping 39% of batters faced.

The 2023 campaign was Krook’s first as a reliever. He had worked primarily out of the rotation in previous seasons and garnered solid results in previous years, including a 3.76 ERA in 215 1/3 innings of work at the Triple-A level from 2021-22. Unfortunately, he also walked a hefty 13% of batters faced over that same time frame, likely prompting his move to the bullpen last season. While Krook has evidently struggled with control throughout his career, there’s no question that the southpaw sports power stuff capable of succeeding in the majors if he can command it successfully.

Krook figures to join the bullpen mix in Baltimore, where Danny Coulombe, Cionel Perez, and Keegan Akin are the club’s southpaws projected to make the Opening Day bullpen as things stand. That leaves Krook likely to join the likes of right-hander Bryan Baker and lefty Nick Vespi as optionable relief depth, though they also figure to receive competition from non-roster invitees this spring such as Andrew Suarez and Nathan Webb.

As for Castillo, the infielder’s time on Baltimore’s 40-man roster comes to an end just two days after he was initially claimed off waivers from the Phillies. The 26-year-old has spent the past two months riding the transactional carousel, having been part of the Diamondbacks, Mets, Yankees, Phillies, and Orioles organizations at various points during that time. Castillo has notched 97 games at the big league level throughout his career and in that time has slashed just .205/.250/.380 across 284 trips to the plate. Despite that weak offensive performance to this point in his career, Castillo has performed well in the minors, with a strong .296/.410/.407 line across three seasons at the Triple-A level.

That sort of on-base and contact ability would make him an attractive bench piece for any club if he can translate it into big league production, particularly given his defensive versatility. Castillo has primarily played second base and shortstop throughout his career, though he’s also seen time at first, third, and both outfield corners. Now that he’s been designated for assignment once again, the Orioles will have seven days to either work out a trade or attempt to pass him through waivers. Castillo has not yet been outrighted in his career and, if passed through waivers successfully, can be retained in the minors as non-roster depth entering the 2024 season.

Orioles Claim Diego Castillo, Designate Livan Soto

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The Orioles announced Friday that they’ve claimed infielder/outfielder Diego Castillo off waivers from the Phillies. Fellow infielder Livan Soto was designated for assignment to open a spot on the 40-man roster.

The 26-year-old Castillo has bounced from the D-backs, to the Mets, to the Yankees, to the Phillies and now to the Orioles all in the span of two months. He appeared in only one game at the MLB level for Arizona last year and went hitless in a single plate appearance. A year prior, he logged 283 trips to the plate with the Pirates but mustered only a .206/.251/.382 batting line in his debut campaign in the majors.

Though he’s yet to have any big league success, Castillo possesses an outstanding track record in the upper minors. He hit .313/.431/.410 in Triple-A Reno last season, walking more often than he struck out: 17.4% versus 14.2%. Castillo has played in 177 Triple-A games to this point in his career and delivered a stout .296/.410/.407 line thanks to that keen eye at the plate and his excellent bat-to-ball skills. He’s walked 124 times in Triple-A against 125 strikeouts. Beyond that, he’s experienced at second base, shortstop, third base and in left field.

While Castillo has never been touted as a top prospect, he’s a versatile and contact-oriented hitter who can provide some depth — hence the whopping five teams he’s now been with in just two months. That said, there are reasons he’s been unable to hold down a roster spot. Castillo hit just three homers last year and has only twice reached double-digits in plate appearances. He’s never swiped more than 13 bases in a season. He’s generally considered a below-average runner with below-average power and a sub-par (albeit versatile) defensive skill set.

But Castillo has a minor league option remaining, and there’s still value in a bat-first utilityman with plus bat-to-ball skills. He can provide cover for the Orioles at a number of different positions, and as shown by last year’s .323/.445/.439 slash against lefties, his right-handed bat is particularly interesting in platoon situations.

Soto, 23, was just claimed off waivers from the Angels eight days ago. He’s hit .375/.414/.531 in a tiny sample of 71 big league plate appearances but benefited from a sky-high .469 average on balls in play during that time. Despite that strong showing in the majors, Soto has typically been a light-hitting but solid defensive shortstop in the minors. He split the 2023 season between Double-A and Triple-A in the Angels system, hitting a combined .237/.342/.358 between those two levels.

The Orioles will have a week to trade Soto or attempt to pass him through outright waivers. If he goes unclaimed, they can retain him without dedicating a 40-man roster spot.

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