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Mariners Designate Casey Lawrence For Assignment, Select Jesse Hahn

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The Mariners announced that they have designated right-hander Casey Lawrence for assignment. Fellow righty Jesse Hahn has been selected to the roster in a corresponding move. Bob Condotta of The Seattle Times reported the moves prior to the official announcement.

MLBTR readers should not be surprised to see Lawrence bumped off the roster again. The Mariners selected his contract yesterday, the fourth time this year they have done so. In each instance, Lawrence pitched in a game or two before being designated for assignment. The first two resulted in him clearing waivers, electing free agency and re-signing with the M’s on a new minor league deal. The third time they put him on waivers, the Blue Jays claimed him. That club also used him once before putting giving him the DFA treatment. That led Lawrence back to the Mariners on yet another minor league deal.

Yesterday, Lawrence served as the bulk pitcher in a bullpen game, which was necessary due to rotation injuries. The M’s have had George Kirby and Logan Gilbert on the injured list for a while and Bryce Miller recently joined them. That leaves them with a four-man rotation core of Luis Castillo, Bryan Woo, Logan Evans and Emerson Hancock.

Yesterday, Casey Legumina officially started the game but went just one inning as an opener. Lawrence then came in and tossed five innings, allowing one earned run. That was enough for a tough-luck loss as the M’s fell to the White Sox 1-0.

Based on the circumstances, it always seemed likely that Lawrence would be bumped off the roster yet again and that has indeed come to pass. Per Condotta, Kirby will be reinstated from the IL to start tomorrow’s game, bringing the M’s back to a five-man rotation.

Lawrence will be placed on waivers again in the coming days. Based on recent history, it’s fair to assume that he will clear and then return to the M’s on another minor league deal. Though it’s also possible that some club in need of a fresh arm puts in a claim, as the Jays did a few weeks back. After yesterday’s outing, Lawrence now has a 4.08 earned run average in 17 2/3 innings on the year. He has a career ERA of 6.42 in 141 2/3 innings spread over five seasons.

Hahn, 35, gets a roster spot for now. In a similar situation to Lawrence, he had his contract selected earlier this year but made just two appearances before being designated for assignment. He logged four scoreless innings in those appearances before getting the DFA treatment. He cleared waivers, elected free agency and re-signed with the M’s on another minor league deal. Shortly after re-signing, he landed on the minor league injured list but he has evidently returned to health. He’s made four scoreless Triple-A appearances in the past two weeks.

The M’s will need to open an active roster spot for Kirby’s activation tomorrow. Perhaps Hahn is slated for a short stay but they could also opt to send down Troy Taylor, who has options and is struggling, with a 12.15 ERA so far.

Hahn has a 4.17 career ERA in 315 1/3 big league innings but this is his first season with major league work since 2021. A shoulder injury cost him the 2022 and 2023 seasons and then he was stuck in the minors last year. As mentioned, he’s been putting up zeroes so far in 2025 but in a small sample.

Photo courtesy of Steven Bisig, Imagn Images

Pirates Promote Mike Burrows

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The Pirates have optioned righty Carmen Mlodzinski to Triple-A Indianapolis and recalled 25-year-old righty Mike Burrows, the team announced. Alex Stumpf of MLB.com reported earlier this morning that Mlodzinski would be optioned out in favor of Burrows, who’ll start tomorrow’s game.

It’s a notable change in the Pittsburgh rotation, though not the one for which most Bucs fans have been pining. The Pirates have righty Bubba Chandler, widely regarded as the top pitching prospect in baseball, dominating in Indianapolis but will keep the 22-year-old flamethrower in the minors a bit longer.

That’s not to say that Burrows, a well-regarded pitching prospect himself, isn’t deserving of a look — far from it. He’s been excellent in Triple-A this season. The 6’1″ righty was an over-slot 11th-rounder back in 2018, signing for a $500K bonus that was more commensurate with fourth-round money at the time. His ascent to the majors has been slowed by injuries, most notably a Tommy John procedure that limited him to 6 2/3 innings in 2023 and 54 2/3 innings in 2024.

Burrows’ 2024 workload included a brief MLB debut — 3 1/3 innings of long relief against the Yankees in late September. He allowed one earned runs on two hits and three walks with two strikeouts in that game and wound up being credited with a win in his first MLB appearance.

This year, Burrows has been outstanding. He’s pitched 32 1/3 innings over seven starts — the Pirates have surely been limiting his innings a bit in his first full season back from UCL surgery — and pitched to a sterling 2.51 ERA. He’s averaging 94.7 mph on his heater, fanning 31.5% of his opponents, limiting walks at a solid 8.5% clip and sporting a terrific 14.4% swinging-strike rate. Burrows has paired that heater with a slider that sits 85.4 mph, a changeup in that same velocity range, and an upper-70s curveball. He’s also allowed only two runs over his past 17 2/3 frames while turning in a stellar 28-to-4 K/BB ratio.

The Pirates didn’t push Burrows past 75 pitches in a start until mid-May. He didn’t complete five innings until his sixth start of the season but has now done so twice in his past three outings. (The other was an 86-pitch effort wherein he lasted only 4 2/3 frames but punched out 11 batters.) Burrows’ two most recent starts have seen his pitch count climb to 86 and 87, respectively.

Entering the 2025 campaign, Baseball America ranked Burrows 13th among Pirates prospects, noting that improvements in his secondary pitches have restored some of his fallen stock and put him back in the conversation for a rotation role in the majors. He ranked 15th among Pirates farmhands at both FanGraphs and at MLB.com. His slight frame and injury history prompt plenty of speculation about an eventual move to the bullpen — perhaps in a multi-inning role — but he’s earned a chance to show he can stick in a rotation role.

Pirates starters rank 11th in MLB with a combined 3.71 ERA, thanks largely to brilliant work from ace Paul Skenes and an excellent 3.02 ERA from offseason signee Andrew Heaney. Mitch Keller has been solid (3.88 ERA), and fourth starter Bailey Falter has gone from looking like his hold on a rotation spot was fading to one of the league’s hottest pitchers; he’s allowed just one run in past 23 2/3 innings — albeit with a shaky 17-to-9 K/BB ratio in that time (19.5 K%, 10.3 BB%).

At some point, the Bucs will turn to the ballyhooed Chandler for a look, though perhaps not until they’re certain he won’t earn a full year of major league service time in 2025 (as Skenes did in 2024 when he won Rookie of the Year honors despite a relatively late May 6 call to the big leagues). The 6’3″, 218-pound Chandler has pitched to a 2.17 ERA with a huge 36.8% strikeout rate, a 10.5% walk rate, a 14.7% swinging-strike rate and a heater that’s averaged 98 mph.

Owen Miller Elects Free Agency

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Infielder Owen Miller, who was recently designated for assignment and outrighted to Triple-A by the Rockies, has rejected that outright assignment in favor of free agency, per the transaction log at MiLB.com.

Colorado originally acquired the now-28-year-old Miller from the Brewers in exchange for cash back in November. Milwaukee had designated him for assignment and passed him through outright waivers last summer, but the Rox selected him back to the majors in April. Miller went 2-for-14 with a pair of walks and was hit by a pitch during 17 plate appearances with Colorado before being designated for assignment again. Because of that prior outright, he had the option to elect free agency upon clearing waivers this time around.

Miller opened the 2025 season with the Rockies’ Triple-A affiliate in Albuquerque. He tallied 90 plate appearances and batted .244/.322/.372 with two homers, two steals, a 10% walk rate and a 15.6% strikeout rate. It’s the fourth season in which Miller has seen time at Triple-A, where he’s a combined .279/.353/.427 batter in 793 plate appearances.

Miller has also seen major league time in five seasons now, previously suiting up for a pair of seasons with the Brewers and another two with the Guardians. He’s picked up 1032 plate appearances and hit .238/.287/.342 with 15 home runs, 52 doubles, a triple, 18 steals (in 20 tries), a 5.8% walk rate and a 21.3 strikeout rate.

Defensively, Miller is something of a jack-of-all-trades. He’s not necessarily proficient at any one position, but he’s recorded more than 1100 innings at each of shortstop, first base and second base, in addition to 815 innings at third base. He’s seen more sparse time in the outfield, logging a combined 204 innings across all three positions. Miller hadn’t played shortstop since 2021 until this season, but the Rockies gave him four games there in Triple-A this season — one of seven positions he played while in their system.

Miller will take that versatile defensive skill set and solid Triple-A track record back to the open market and search for a new opportunity with a club that could use a right-handed bat and/or some depth at multiple positions.

The Opener: Crews, Hassell, Orioles, Angels, A’s

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Here are three things we’ll be keeping an eye on around the baseball world throughout the day:

1. Crews to undergo testing:

The Nationals are promoting former top prospect Robert Hassell III for his big league debut today (weather permitting) after rookie Dylan Crews exited yesterday’s game with discomfort in his left side. Crews is expected to undergo testing today that will give the Nationals a better idea of his status. Hassell’s promotion seems to indicate that the Nationals believe a stint on the injured list is likely for Crews, who has struggled to a .196/.266/.354 slash line in 45 games. The former No. 2 overall pick has been turning things around, however, slashing .234/.315/.459 over his past 124 plate appearances and ripping three homers in his past nine games. If today’s imaging shows that Crews does not need an IL stint, perhaps the Nationals would instead facilitate Hassell’s promotion by placing center fielder Jacob Young, who collided with the outfield wall over the weekend and has been day-to-day ever since, on the injured list instead.

Hassell, a former No. 8 overall pick, will be the fourth player from the Nationals’ Juan Soto haul to make his big league debut, joining Washington’s star trio of James Wood, MacKenzie Gore and CJ Abrams. Hassell’s stock isn’t as high as it once was, but he’s hitting .288/.337/.405 (99 wRC+) with four homers and a 9-for-10 showing in stolen base attempts through 175 plate appearances with Rochester this season. MLBTR’s Steve Adams recently took a look at how Washington’s Soto haul seems to look better by the day, and Hassell’s promotion could further add to that.

2. Orioles look to avoid MLB-worst losing streak:

The Orioles are at risk of losing their ninth consecutive game today, which would be the longest losing streak in the majors this year. Last night’s 5-2 loss to Milwaukee gave them an eight-game losing streak that places them in a tie with the Rockies for the longest string of losses — a benchmark that Colorado has incredibly reached on three separate occasions in 2025. The Orioles will try to stave off that ninth loss tonight against the Brewers with Tomoyuki Sugano (3.08 ERA in nine starts) on the mound against Milwaukee rookie Chad Patrick (3.35 ERA in ten appearances).

3. Angels, A’s face off amid streaks:

While the Orioles try to end their current streak of losses at eight, the A’s will try to avoid losing their eighth game in a row tonight against the Angels. It’s the third game in a four-game set, and after Anaheim took each of the first two games, they’ve put together a little streak of their own in the opposite direction, climbing to five consecutive wins. With veterans Tyler Anderson (3.04 ERA in nine starts) and Luis Severino (4.22 ERA in ten starts) on the mound in West Sacramento tonight, will both streaks continue, or will the A’s put a stop to their division rival’s recent surge and halt their own freefall in the process?

Poll: Should The Royals Be Worried About Salvador Perez?

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Veteran catcher Salvador Perez is the face of the Royals franchise, the last man standing from the club’s 2015 World Series team, and a nine-time All-Star with five Gold Gloves and five Silver Sluggers to his name. He’s one of the most important players in the organization’s history, and in that sense the 35-year-old’s legacy is already secure. That impenetrable legacy does little to help the Royals’ playoff odds in 2025, however, and in that regard Perez’s performance this year has been lacking. He’s hit just .218/.254/.324 across 46 games and 190 plate appearances so far in 2025. That leaves him with a wRC+ of just 57 and negative WAR according to both Baseball Reference and Fangraphs, and that’s in spite of a brief hot streak where he collected 14 hits (including eight doubles) in ten games from April 24 to May 6.

That sort of production just won’t cut it for a Royals club that has playoff aspirations. Their 27-22 record entering play today is enough to keep them in the thick of the Wild Card race, but the recent losses of both Seth Lugo and Cole Ragans from the front of their rotation will put more pressure than ever on the offense to score runs. Perez is typically a key part of that offense, and with other key cogs in the lineup like Vinnie Pasquantino and Jonathan India also struggling to produce early in the year, Perez remains as important as ever. Can he turn things around, or do the Royals have a tough decision to make this summer about a franchise legend’s playing time in a pennant race?

A look at the underlying metrics provides plenty of reason for optimism. The most glaring factor in Perez’s downturn in performance is his anemic .106 ISO, which would put him on par with the 2024 performances of light-hitting, contact-oriented bats like Nico Hoerner and Nolan Schanuel. That’s a worrisome comparison to make considering Perez averaged 30 homers per season from 2021 to 2024, but the good news is that all signs point to this power outage coming to an end sooner rather than later. Despite hitting just two home runs so far this year, Perez’s 13.0% barrel rate is actually his best since he smacked 48 bombs in 2021 and his 45.7% hard-hit rate is better than it was in either of the past two seasons. In fact, Perez’s barrel and hard-hit rates are almost identical to those of Pete Alonso this year.

That could make it easy to write off Perez’s lackluster performance so far this season as little more than a fluke that should correct itself in due time, and the Royals are surely hoping that’s the case. With that being said, there are at least some potential red flags in the veteran’s performance that are worth keeping an eye on. While Perez has never been a particularly well-disciplined hitter, his 22.6% strikeout rate and 4.2% walk rate are both trending in the wrong direction relative to his All-Star 2024 season. He’s also hitting slightly more balls on the ground with fewer line drives relative to last year. All four of those figures are well within the bounds of Perez’s career norms, however.

Perhaps the biggest reason for concern regarding Perez is his age. As a 35-year-old catcher, it would hardly be a surprise if he wasn’t as physically capable of maintaining peak performance across 162 games as he was in his younger days. Regular reps at first base and DH should help that somewhat, but it’s still worth noting that Perez has seen his offense take a turn for the worse when the calendar flips to July in each of the past two seasons. If that trend of Perez slowing down as the year progresses continues in 2025, he may be running out of time to turn his overall season numbers around despite the solid underlying metrics to this point in the year.

How do MLBTR readers think the rest of Perez’s 2025 campaign will play out? Will he bounce back to around where he’s been in recent years, as the underlying numbers suggest? Or has he struggled too deeply for too long in the first half to make up for a potential slowdown after the All-Star break? Have your say in the poll below:

White Sox Release Omar Narvaez

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The White Sox released catcher Omar Narváez from his minor league deal, according to an announcement from their Triple-A affiliate. He’d signed one month ago, his second non-roster contract of the year with the Sox.

Narváez has played in 15 games for Triple-A Charlotte, where he’d paired with top prospect Kyle Teel. The veteran hit .218/.317/.345 with a pair of homers in 63 plate appearances. Narváez had a brief stint on the big league roster immediately after Korey Lee went down with an ankle sprain. He only appeared in four games before the team pivoted to prospect Edgar Quero. Narváez was waived, elected free agency, then returned on the aforementioned second minor league deal.

Lee has been on a rehab assignment with Charlotte since May 9. Teams can keep an injured position player on a rehab stint for up to 20 days. The Sox will need to activate him by next week at the latest. They’ll need to decide whether to keep him in Charlotte on an optional assignment or carry him on the MLB roster, likely at the expense of out-of-options backup Matt Thaiss.

They could also option Quero back out, but he’s holding his head above water in his first MLB action (.267/.357/.302 in 98 plate appearances). Keeping him in the majors allows both Quero and Teel to continue developing defensively with the respective lion’s shares of playing time at catcher in MLB and Triple-A.

Narváez figures to look for a minor league opportunity elsewhere. The 33-year-old has appeared in 10 big league seasons. He developed into a solid #1 catcher for the Mariners and Brewers midway through that run, though his production has tanked over the past few seasons. He owns a .201/.278/.286 slash line since the start of 2022.

White Sox Notes: Robert, Wilson, Benintendi

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Luis Robert Jr. has been the subject of trade rumors for well over a year. With the White Sox in a full rebuild, it has felt like a matter of time before the 2023 All-Star would head elsewhere.

That has been complicated by Robert’s recent play. He missed a couple months early last year with a hip flexor strain and hit .224/.278/.379 with 14 homers in 100 games. The Sox held him over the offseason, maintaining a high asking price in hopes that he’d rebound and emerge as a key deadline trade chip. That hasn’t happened, as Robert’s numbers have only further spiraled. He goes into tonight’s game with a .186/.281/.308 line over 180 plate appearances. Robert has taken walks at a career-best 11.7% rate, but he’s striking out 29% of the time and not hitting for his usual amount of power.

Robert acknowledged that the lack of production is tanking his trade value. “Right now, as my season is going, I don’t think anybody is going to take a chance on me,” he told reporters through an interpreter (link via Kyle Williams of The Chicago Sun-Times). There are a little over two months for Robert to turn things around before the deadline. He remains a capable defensive center fielder and leads MLB with 17 stolen bases. Robert still has intriguing physical tools, but he hasn’t come close to his 2021-23 numbers (.287/.331/.511) in the batter’s box.

The Sox owe Robert what remains of his $15MM salary. He’s controlled via $20MM club options for another two seasons, but it’s increasingly difficult to see the team exercising those.

In other news out of Chicago, the Sox finalized their one-year deal with righty Adrian Houser this afternoon. He drew right into the rotation and held Seattle scoreless over six innings in a 1-0 victory for his team debut. Manager Will Venable confirmed that the Sox were moving Bryse Wilson back to the bullpen as a result of the signing (link via Scott Merkin of MLB.com).

Wilson had begun the year in relief but drew into the starting five after the Martín Pérez injury. He had a 5.28 ERA over 10 relief appearances. He struggled in four starts, surrendering 13 runs across 17 2/3 innings. Wilson is out of options, so the Sox needed to keep him on the MLB roster or designate him for assignment. He’s likely to work as a long man.

Meanwhile, Andrew Benintendi began a rehab assignment with Triple-A Charlotte this evening. He went 0-4 with a strikeout while working as the designated hitter. Benintendi has been out for two weeks with a strained calf. He’d hit .224/.298/.400 with five homers through his first 24 games. Austin Slater is the primary left fielder in Benintendi’s absence.

Guardians Prospect Travis Bazzana Diagnosed With Oblique Strain

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The Guardians announced this afternoon that last year’s first overall pick Travis Bazzana has been diagnosed with a right internal oblique strain. The top second base prospect hasn’t played since suffering the injury last Wednesday. The team noted that such injuries usually sideline a player for eight to ten weeks, so Bazzana will be out into the second half of the season.

That obviously hurts his chances of reaching the big leagues before the end of the year. Top college draftees fairly regularly reach the majors by the end of their first full professional season. A pair of first-rounders from last year’s class, Cam Smith and Nick Kurtz, have already debuted. Sixth overall pick Jac Caglianone, a first baseman/outfielder in the Kansas City system, might not be far off after receiving a promotion to Triple-A today.

Bazzana, an Oregon State product, has spent the entire season at Double-A Akron. The lefty-hitting infielder carries a .252/.362/.433 line with four homers across 149 plate appearances. That’s well above-average in the extremely pitcher-friendly league. (The average Eastern League hitter owns a .229/.317/.366 slash line.) Bazzana is striking out at a somewhat worrying 26.2% clip, but he’d begun to find his stride at the plate. He was hitting .279/.392/.512 this month after posting a .238/.347/.393 mark in April.

Daniel Schneemann has stepped up as Stephen Vogt’s primary second baseman. The second-year utilityman already has six homers with a .265/.339/.500 slash across 110 plate appearances. Schneemann had played a multi-positional role off the bench early in the year. Gabriel Arias was starting at second base to begin the season, but he kicked over to shortstop when the Guards optioned the scuffling Brayan Rocchio last week.

Phillies Sign Lucas Sims To Minor League Deal

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6:21pm: Philadelphia also added righty Wil Crowe on a minor league contract and assigned him to Double-A Reading, as reflected on the MLB.com transaction log. A former Nationals draftee, Crowe owns a 5.30 ERA over parts of four MLB seasons. He spent last year in Korea with the Kia Tigers, putting up a 3.57 mark with 43 strikeouts across 40 1/3 innings.

6:02pm: The Phillies have signed right-hander Lucas Sims to a minor league deal, reports Matt Gelb of The Athletic. Gelb adds that Sims will initially report to the Phillies’ pitching lab in Florida. He’ll presumably head to Triple-A Lehigh Valley after that, though it’s unclear how long he’ll be in the lab.

Sims, 31, started the season with the Nationals. He had signed a one-year, $3MM deal with Washington, though it quickly turned sour. He made 18 appearances but logged only 12 1/3 innings, allowing 19 earned runs. He issued 14 walks, a massive 19.4% of batters faced, which doesn’t even tell the whole story. He also hit seven batters in that time and threw three wild pitches. The Nats released him earlier this month.

Presumably, that’s why the Phils will start Sims with a trip to the lab, to try to find out what’s wrong with him. If they can get him back on track, he could be a nice buy-low pickup. From 2019 to 2023, Sims did a lot of good work for the Reds. He tossed 183 1/3 innings over that time. His 12.2% walk rate was certainly high but he offset that somewhat by striking out 31.9% of batters faced.

He’s been in a tough stretch more recently. In 2024, he was largely his old self for a while, posting a 3.57 ERA through 43 appearances with the Reds. But he was traded to the Red Sox at the deadline and immediately floundered. He logged 14 innings for Boston around an IL stint for a lat strain, with a 6.43 ERA. He had a 14.8% strikeout rate and 16.4% walk rate for the Sox. That was a small sample size of work with an injury in the middle, but his struggles carried forward into 2025.

If the Phils can get him back to his 2019-2023 form, he’ll be a low-cost addition to their bullpen. Since the Nats released him, they are on the hook for the rest of his salary for this year. If the Phils call Sims up at any point, they would only have to pay him the prorated version of the league minimum salary for any time spent on the roster. That amount would be subtracted from what the Nats pay.

The Phils are a third-time payor of the competitive balance tax and are above the top tier, meaning they face a 110% tax rate on anything they add to the payroll. They also have concerns in their bullpen. Philly relievers have a collective 4.48 ERA, putting them in the bottom third of the league. One of their most effective relievers this year has been José Alvarado, but he just got hit with an 80-game PED suspension.

The club will surely be looking for various ways to bolster the bullpen in the coming months, including with trades as the July 31st deadline approaches. Not many teams are selling this early, so it makes sense to take a flier on a guy like Sims to see what happens.

Photo courtesy of James A. Pittman, Imagn Images

Rangers Place Chris Martin On Injured List

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The Rangers placed Chris Martin on the 15-day injured list, retroactive to May 19, with shoulder fatigue. Righty Cole Winn was recalled from Triple-A Round Rock in the corresponding move.

Martin was removed from Sunday’s game against the Astros after throwing one pitch. That was the result of shoulder soreness, though it came less than a week after Texas had sent him for imaging after he experienced elbow discomfort. Martin did not end up missing any time with the elbow soreness after testing came back negative. The team has downplayed their concern over the shoulder issue as well, but it’s sensible that they’ll give him a couple weeks after a pair of arm issues in such rapid succession.

This will also serve as a potentially necessary rest opportunity for the veteran righty. Martin has made 22 appearances this season, two off the MLB lead. He’d pitched five times between May 11 and 18 alone, including on three straight days from May 11-13. That’s a lot to ask of any pitcher, especially one who is a couple weeks from his 39th birthday.

It’s also a testament to Martin’s continued effectiveness. He has turned in a 1.83 ERA across 19 2/3 innings. Martin has punched out 23 of 77 opposing hitters (29.9%) while remaining one of the sport’s best control artists. He has only issued one unintentional walk all year. Martin has collected nine holds and one save without blowing a lead. He’s alongside Robert Garcia and Jacob Webb as Bruce Bochy’s most trusted setup arms in front of closer Luke Jackson.

Evan Grant of The Dallas Morning News reported the moves shortly before the team announcement.

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