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Sauryn Lao

Mariners Outright Sauryn Lao

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Mariners right-hander Sauryn Lao went unclaimed on outright waivers after his recent DFA, the team announced. He’s been assigned outright to Triple-A Tacoma. Lao has neither three years of MLB service nor a prior outright assignment, so he does not have the ability to elect free agency. He’ll remain with the M’s as a depth arm.

Lao, 25, is a former Dodgers infield prospect who converted to the mound in 2023. He’s posted a 3.61 ERA in 122 minor league innings since making that switch, including a 2.25 earned run average in 12 innings with the Mariners’ Triple-A affiliate in Tacoma this year. He’s punched out 26.6% of his opponents with the Rainiers and limited walks to a 6.5% clip. Lao made one big league appearance — his MLB debut — with Seattle prior to his DFA, during which he pitched 1 2/3 innings with no earned runs and three strikeouts.

The Seattle bullpen has been solid, with a 3.70 earned run average, but not quite as effective as many predicted heading into the season. Andres Munoz, Collin Snider, Carlos Vargas, Gabe Speier and Casey Lawrence have all provided quality results, but the M’s have received shakier performances from Eduard Bazardo, Trent Thornton, Tayler Saucedo and the now-injured Gregory Santos. They’ll get a huge arm back soon if Matt Brash can finish off his minor league rehab stint without issue, but there’s enough uncertainty in Seattle’s middle relief group that Lao could work his way back to the big leagues with continued production in Tacoma.

Luke Raley Out At Least Six Weeks; Mariners Select Rhylan Thomas

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12:55pm: Raley will be sidelined for at least the next six weeks, general manager Justin Hollander announced to the Mariners beat (link via Adam Jude of the Seattle Times). Raley suffered the strain during batting practice yesterday.

12:25pm: The Mariners announced Wednesday that they’ve designated right-hander Sauryn Lao for assignment and selected the contract of outfielder Rhylan Thomas from Triple-A Tacoma. Thomas will take the active roster spot of outfielder Luke Raley, who is headed to the 10-day injured list due to a right oblique strain.

Raley’s injury comes at a particularly poor time. The 30-year-old slugger has been in the process of shaking off a dreadful early slump — like the majority of Seattle’s offense — and had heated up with a .273/.419/.424 output over his past 43 trips to the plate. Even while he was slumping early on, Raley maintained a patient approach and is now up to 10 free passes on the season. His 11.9% walk rate is nearly double that of the 5.9% he posted in 2024, and he’s also posting career-best batted-ball metrics (91.6 mph average exit velocity, 49% hard-hit rate).

Raley becomes the second Mariners right fielder lost to the injured list before the calendar even flips to May. He’d already shifted from first base to right field to cover for the injured Victor Robles, who’s out until midseason.

Thomas, 25, came to the Mariners last summer in the trade sending reliever Ryne Stanek to the Mets. The former 11th-round pick has enjoyed a terrific start to his season in Tacoma, slashing .319/.363/.362 in 104 plate appearances. He’s always posted low strikeout rates in the minors but has taken his hit tool to new heights in 2025, fanning just four times so far (3.8%). Thomas has never hit for power and has only one round-tripper and one double on the current season, but he’s 6-for-9 in stolen base attempts. He’ll give the Mariners some speed in the outfield mix and the type of high-contact bat the team has lacked in recent seasons.

Thomas, Samad Taylor and Miles Mastrobuoni all figure to see time in the outfield while Raley is out. Utilityman Dylan Moore would’ve been an option as well, but he just landed on the injured list this week due to shoulder inflammation. The M’s will go with a patchwork group for the time being, although given the length of Raley’s absence and the typically active nature of Seattle’s front office — this past offseason notwithstanding — it stands to reason that the Mariners could add to that mix via waivers, free agency or a small trade. True difference-making regulars aren’t likely to be available until closer to July’s trade deadline, but there are veterans on minor league deals and fringe big league outfielders who’ll be designated for assignment throughout the course of Raley’s IL stint.

The 25-year-old Lao was only selected to the big league roster last week. He made his MLB debut with the M’s on April 22 and pitched 1 2/3 scoreless innings with three strikeouts. He was optioned back to Tacoma shortly thereafter.

Lao originally signed out of the Dominican Republic with the Dodgers and spent the first four seasons of his career as an infielder. He moved to the mound in 2023 and hasn’t looked back. The 6’2″ righty has a career 3.61 ERA in 122 minor league frames, including a 2.25 mark in 12 Triple-A innings this season. Lao doesn’t have the glaring command troubles displayed by so many former position players who transition to the mound; he’s walked only 6.5% of his minor league opponents against a robust 26.6% strikeout rate.

Lao is averaging a pedestrian 92.9 mph on his four-seamer in Triple-A and sat at just 90.7 mph with the pitch in his lone MLB appearance, which could work against him, but Lao has a solid (if brief) track record on the mound and a full slate of minor league options remaining. The track record and slate of options could appeal to another club. The Mariners will have five days to trade Lao or place him on outright waivers. If he hits waivers, that’d be a 48-hour process, meaning the maximum length of his DFA window will be one week.

Mariners Select Casey Lawrence

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The Mariners announced that they have selected the contract of right-hander Casey Lawrence. Fellow righty Sauryn Lao was optioned to Triple-A Tacoma in a corresponding active roster move. To get Lawrence onto the 40-man, outfielder Víctor Robles was transferred to the 60-day injured list. Robles suffered a left shoulder dislocation a couple of weeks ago and isn’t expected back for several months.

Lawrence and the Mariners seem to have an arrangement that is working for both of them. The season is only a few weeks old but this is already the third time he has been selected to the roster. He signed a minor league deal with the M’s in the winter and was called up to the majors on April 9th. A few days later, he was designated for assignment, cleared waivers and elected free agency. He returned on a fresh minor league deal and was back on the roster by April 18th. Once again, he was quickly DFA’d and cleared waivers but is now back on the roster a third time.

Around those transactions, he has served as a multi-inning reliever for the club. He has logged five innings across three appearances thus far, having allowed two earned runs. By continually shuffling him on and off the roster, the Mariners can keep fresh arms moving in and out of the bullpen.

Lawrence is out of options, which necessitates him continually being removed from the 40-man. He has the right to elect free agency as a player with a previous career outright but seems content to circling back to the Mariners each time. From his perspective, he gets to add a bit of major league pay and service time, not a bad outcome for a 37-year-old journeyman.

Emerson Hancock, the least established member of the Seattle rotation, takes the ball tonight for the M’s at Fenway Park. If he gets into trouble, Lawrence will likely be called upon to sop up some innings and save the rest of the bullpen before tomorrow’s day game.

Photo courtesy of Stephen Brashear, Imagn Images

Casey Lawrence Elects Free Agency

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April 22: Seattle announced on Tuesday that Lawrence cleared waivers and was outrighted back to Triple-A Tacoma. According to the MiLB.com transaction log, he elected free agency. There’s a decent chance he’ll re-sign with the Mariners on another minor league deal, as he did after electing free agency last week.

April 20: The Mariners announced this morning that they’ve designated right-hander Casey Lawrence for assignment. Right-hander Sauryn Lao was selected to the roster to replace Lawrence on the 40-man and active rosters.

Lawrence, 37, is a journeyman who has pitched in parts of five MLB seasons. After signing with the Blue Jays as an undrafted free agent back in 2010, the right-hander spent years climbing up the minor league ladder before finally reaching the majors during the 2017 season. He struggled to a 6.64 ERA with a 5.08 FIP in 78 2/3 innings of work for the Jays and Mariners over the next two years before heading overseas to pitch for Nippon Professional Baseball’s Hiroshima Carp in 2019. Lawrence posted a 4.80 ERA in 110 2/3 innings of work for the Carp and did not pitch professionally during the 2020 season.

He resurfaced in Toronto during the 2021 season and has oscillated between the majors and Triple-A in the years since then, with a 6.62 ERA and 6.12 FIP across 50 1/3 innings between the Blue Jays, Cardinals, and Mariners. His most recent stint in Seattle has seen the right-hander post five innings of three-run (two earned) ball, though he’s failed to strike out any of the 20 batters he’s faced. The Mariners will have one week to work out a trade involving Lawrence or pass him through waivers, and if he goes unclaimed he’ll have the option to either accept and outright assignment back to the minor leagues or elect free agency in search of a better deal elsewhere.

Lawrence’s departure makes room for Lao on the active and 40-man rosters. Signed by the Dodgers out of the Dominican Republic back in 2016, Lao was initially signed as a corner infielder but converted to pitching after struggling to hit at the High-A level. He made his first pitching appearances in 2023 and looked good enough to reach the Double-A level, and last year dominated Double-A to the tune of a 1.90 ERA in 20 relief appearances before getting promoted to Triple-A. The inflated offensive environment of the Pacific Coast League was not kind to Lao, as he surrendered a 5.22 ERA in 29 1/3 innings of work. That was his last work in a Dodgers uniform, as he elected minor league free agency and signed with Seattle.

He’s made three abbreviated starts for Seattle so far at Triple-A, and looked good in doing so with a 2.00 ERA and a 21.2% strikeout rate against a walk rate of just 3%. Lao figures to serve as a long man for the Seattle bullpen, offering bulk relief to the club now that Lawrence is off the roster and Emerson Hancock has taken up a rotation job. Lao figures to be especially important for the Mariners in the coming days after the club went 12 innings against the Blue Jays last night, only five of which were handled by starter Logan Gilbert.

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