The Tigers reinstated Horn from the paternity list Thursday, Chris McCosky of The Detroit News reports.

Horn will reclaim a middle-relief role in the Tigers' bullpen after spending two days away from the team for the birth of his child. Drew Sommers was sent back to Triple-A Toledo in a corresponding move.

McKinstry (back) isn't in the lineup for Thursday's game against the Yankees.

McKinstry will miss a third consecutive start due to a back issue that flared up shortly before Tuesday's contest. Javier Baez will pick up a start at shortstop and bat ninth while McKinstry recovers.

Frazier is not in the lineup for Thursday's contest in Cleveland.

Frazier has now started just two of the last five games and one of three contests since Jonathan India returned from the injured list. India will cover second base and Mike Yastrzemski will be in left field Thursday as Frazier begins the game on the bench.

Volpe (shoulder) isn't in the lineup for Thursday's game against the Tigers.

Volpe recently received a cortisone shot in his left shoulder to treat the shoulder injury that has been bothering him since May, so it isn't too surprising to see him heading to the bench for the start of Thursday's contest. Jose Caballero will start at shortstop in Volpe's place and bat eighth.

Jensen is not in the lineup for Thursday's game in Cleveland.

Jensen was called up on Sept. 1 when rosters expanded, but he has now started just three of 10 games since his promotion. He's also yet to start a game at catcher, with all three of his starts coming at designated hitter. Jensen has gone 1-for-8 with a 2:4 K:BB over 12 plate appearances during his first stint in the big leagues, and it's clear the Royals don't intend for the top prospect to be an integral part of their lineup as they fight for a playoff spot.

Celesten is hitting .158 with one home run, one steal and 15 strikeouts in 11 games for High-A Everett.

Celesten, who was promoted from Single-A Modesto on Aug. 18, has an 18.8 percent walk rate and 31.3 percent strikeout rate in this tiny sample, in part because he's been more passive (48.8 percent swing rate at Single-A, 39.3 percent swing rate at High-A). Believed to have plus speed and plus power potential when he signed for $4.7 million as the headliner of the 2023 international signing class, Celesten's power has been mostly dormant, as he slashed .285/.349/.384 with five home runs and 20 steals in 93 games prior to his promotion to High-A. There is post-hype breakout potential with Celesten in 2026, but injuries earlier in his career have led to him no longer being young for his levels, so there will also be pressure on the switch-hitting shortstop to perform in his age-20 season.

Genao is slashing .251/.319/.354 with two home runs, six steals and a 16.4 percent strikeout rate in 73 games for Double-A Akron.

A sprained right shoulder sidelined Genao until June, and it's possible the shoulder issue sapped some power, although it's worth noting he homered three times in eight complex-league rehab games, so it could also be facing Double-A pitching for the first time that has stymied his offensive impact. The 21-year-old switch hitter has only played shortstop this season and his defensive abilities will put less pressure on his bat, but he'll still need to hit for more power than he has this year at Double-A. Genao, who reportedly grew an inch and added muscle this past offseason, stole 25 bases in 110 games last year but has six swipes in 81 games this year.

Jump has a 3.64 ERA, 1.20 WHIP and 86:29 K:BB in 81.2 innings for Double-A Midland.

Jump may be wearing down at the end of his first pro season, as he has a 13.50 ERA, 2.32 WHIP and 12:7 K:BB in 13.1 innings over his last four starts. The 6-foot lefty is up to 112.2 innings on the year after throwing 83 innings in 2024 at LSU before the Athletics selected him with the No. 73 overall pick. At his best, Jump's deceptive delivery allows his 92-94 mph fastball (touches 97 mph) to play up as a plus pitch. Evaluators differ on whether Jump has any other plus pitches, but his slider and curveball get strong reviews while his fourth-pitch changeup is passable. The A's have spared Jump from an assignment to the unforgiving Pacific Coast League, but he will likely have to check that box of his development early next year before he joins the big-league rotation.

Santander (shoulder/back) will begin a rehab assignment with Triple-A Buffalo on Thursday, Shi Davidi of Sportsnet.ca reports.

Out since late May with a subluxation of his left shoulder, Santander had his rehab stint delayed a couple days due to lower-back tightness, but he's now been cleared for game action. Santander will serve as Buffalo's designated hitter for a few games before then seeing time in both left and right field. The Blue Jays don't have a target date for his return to the active roster yet, as they will see how Santander feels and how quickly he can get his timing back at the plate.

Meyers is absent from the lineup for Thursday's game in Toronto.

Meyers started each of the Astros' first four games upon his return from the injured list, but he will take a seat during Thursday's matinee. Mauricio Dubon will patrol center field in Meyers' stead.