The Mariners designated Castillo for assignment Friday.

Castillo's run with the Mariners will end after just nine days, during which he gave up one unearned run in three innings across three appearances. Casey Legumina will come up from Triple-A Tacoma to fill the vacancy in Seattle's bullpen.

The Mariners recalled Legumina from Triple-A Tacoma on Friday.

Legumina has fired 5.2 shutout innings while striking out eight batters since being sent down to Triple-A in mid-August. He'll now return to Seattle to take on a middle-relief role and replace Jose Castillo, who was designated for assignment in a corresponding move.

Hader (shoulder) has yet to resume throwing, Brian McTaggart of MLB.com reports.

Hader has yet to resume throwing since being shut down Aug. 15 due to a left shoulder capsule injury. The 31-year-old previously indicated that he'd need roughly three weeks to ramp up once cleared to throw. It's unclear when he'll start throwing at this point, but his postseason availability will be threatened if he doesn't begin soon.

Paredes (hamstring) will take live batting practice Saturday, Brian McTaggart of MLB.com reports.

Paredes is making progress in his recovery from a torn right hamstring and will hit off live pitching Saturday. The Astros are hoping to get Paredes back before the end of the regular season, but the third baseman will likely require a lengthy minor-league rehab stint before being activated.

The Tigers placed Gipson-Long on the 15-day injured list Friday against Miami due to neck stiffness.

Gipson-Long gave up seven runs in 2.1 innings in a start Thursday, and he'll now head to the injured list. Gipson-Long will be eligible for reinstatement Sept. 27, one day before the Tigers' final regular-season contest. Detroit activated Jose Urquidy (elbow) from the injured list in a corresponding move, but it's unclear who'll take Gipson-Long's spot in the rotation.

The Tigers recalled Brieske (forearm) from Triple-A Toledo on Friday and placed him on the 60-day injured list.

Brieske has already been ruled out for the remainder of the 2025 campaign due to a right forearm strain, so the Tigers will perform a bit of roster manipulation that will allow the team to give the 27-year-old's 40-man spot to the newly activated Jose Urquidy (elbow). Sawyer Gipson-Long (neck) was also placed on the 15-day IL as part of Friday's roster moves.

The Astros recalled Gordon from Triple-A Sugar Land on Friday, Matt Kawahara of the Houston Chronicle reports.

Gordon will take the 26-man roster spot vacated by Lance McCullers, who was placed on the 15-day IL with right hand soreness. Gordon will be available out of the bullpen Friday versus Atlanta. He's appeared in 16 games for the Astros this season, making 14 starts, and has a 5.67 ERA, 1.52 WHIP and 64:15 K:BB across 73 innings of work.

The Astros placed McCullers on the 15-day injured list Friday due to right hand soreness, Matt Kawahara of the Houston Chronicle reports.

McCullers returned to Houston to be evaluated, and the Astros have recalled Colton Gordon from Triple-A Sugar Land in a corresponding move. McCullers threw two innings out of the bullpen in Thursday's loss to the Blue Jays and allowed one run on two hits and one walk with zero strikeouts. On the season, McCullers owns a 6.88 ERA, 1.85 WHIP and 57:38 K:BB across 52.1 innings.

The Astros reinstated Urquidy (elbow) from the 60-day injured list Friday, Cody Stavenhagen of The Athletic reports.

Urquidy has spent the entire season working his way back from a Tommy John procedure he underwent last June. The 30-year-old righty began a rehab assignment in early August and has since turned in a 3.20 ERA and 0.86 WHIP across 19.2 innings between Single-A Lakeland and Triple-A Toledo. Now cleared to pitch in the majors for the first time since 2023, he will presumably work out of the bullpen for the final few weeks of the regular season and aim to return to the starting rotation in 2026. Sawyer Gipson-Long (neck) was placed on the 15-day IL to make room for Urquidy on the active roster, and Beau Brieske (forearm) landed on the 60-day IL to free up a spot on the 40-man roster.

Manager Aaron Boone said Friday that he doesn't think Volpe (shoulder) will be able to start any of the Yankees' games against Boston this weekend, Chris Kirschner of The Athletic reports.

Volpe received a cortisone shot in his shoulder Wednesday, and while he could be available off the bench at some point over the weekend, he isn't expected to be part of the starting nine until Monday at the earliest. Jose Caballero should serve as the Yankees' primary option at shortstop during the series.