Kopech is tending to uncertain physical issues which are expected to require a stint on the injured list, Bill Plunkett of The Orange County Register reports.

Kopech didn't say what was bothering him specifically, but he's expected to need some time off to recover. The 29-year-old has endured some control issues recently, having walked eight batters in his last four appearances spanning 2.2 innings. Will Klein is expected to be added to the active roster as the corresponding move.

The Rangers designated Edwards for assignment Friday.

Edwards will surrender his spot on the 40-man roster to make room for Tyler Mahle (shoulder), who was activated from the 60-day IL on Friday. Edwards, 34, has given up three earned runs in six MLB innings this season and carries a 5.31 ERA through 39 frames at Triple-A Round Rock.

The Tigers optioned Horn to Triple-A Toledo on Friday.

Horn has given up just one run in 5.1 innings since joining the big-league squad Sept. 2, lowering his ERA in the majors to 1.59 through 11.1 frames. Despite his strong performance, he'll be pushed back to the minor leagues by Kyle Finnegan (groin), who returned from the injured list Friday.

The Tigers reinstated Finnegan (groin) from the injured list Friday.

Finnegan has sat out the entire month of September while dealing with a right groin strain. He made one rehab appearance for Triple-A Toledo on Thursday, striking out one batter and walking another over two-thirds of an inning, and he now has the green light to return to Detroit's bullpen. The 34-year-old righty has pitched 14.1 shutout frames with a 19:3 K:BB since joining the Tigers at the trade deadline and could get save opportunities down the stretch.

The Astros transferred Ort (elbow) from the 15-day injured list to the 60-day injured list Friday.

The move clears a spot on the 40-man roster for the return of Isaac Paredes (hamstring). Ort had already been ruled out for the rest of the regular season with right elbow inflammation.

The Royals placed Erceg on the 15-day injured list Friday due to a right shoulder impingement.

The move essentially ends Erceg's season, as the Royals haven't officially been eliminated from playoff contention but remain seven games out from the final wild-card spot with nine games to play. The 30-year-old has a 2.64 ERA and 48:18 K:BB in 61.1 innings this season. He's tallied an 8-4 record with 23 holds as well. Steven Cruz (shoulder) was activated from the IL in a corresponding move.

The Royals activated Cruz (shoulder) from the 15-day injured list Friday.

Cruz has been on the shelf since Aug. 3 due to tendinitis in his throwing shoulder, but he's been cleared to rejoin the active roster. The 26-year-old made four appearances during a minor-league rehab stint, allowing three hits and no walks with four strikeouts across 4.1 innings. Lucas Erceg (shoulder) was placed on the 15-day injured list in a corresponding move.

Finnegan (groin) is expected to be reinstated from the 15-day injured list Friday, Cody Stavenhagen of The Athletic reports.

Finnegan said he is "ready to go" for Friday's contest. The 34-year-old right-hander has been on the shelf since the start of September due to a right adductor strain. He'll likely compete with Will Vest for saves during the closing days of the regular season.

The White Sox recalled Booser from Triple-A Charlotte on Friday.

Booser has bounced between Charlotte and Chicago multiple times this season, holding a 4.82 ERA, 1.46 WHIP and 33:18 K:BB over 28 frames in the majors. He'll give manager Will Venable another lefty in the bullpen.

The Marlins reinstated Tarnok (ankle) from the 15-day injured list Friday and optioned him to Triple-A Jacksonville.

Tarnok has been on the shelf since early September due to a sprained left ankle, but he's been cleared to return after a brief rehab stint. The 26-year-old will head to Jacksonville for the closing week or so of the regular season. He has a 3.19 ERA in 67.2 innings with Jacksonville in 2025.