The Tigers activated Gipson-Long (oblique) from the 15-day injured list and optioned him to Triple-A Toledo, Chris McCosky of The Detroit News reports.

Gipson-Long had made one rehab appearance with Single-A Lakeland, and the Tigers will keep him in the minors rather than return him to the active big-league roster. The righty made three starts and five relief appearances for Detroit in 2025, collecting a 7.18 ERA and 26:6 K:BB over 31.1 innings. Gipson-Long will join the rotation at Toledo.

Single-A Tampa placed Kilby on the 7-day injured list with a hamstring strain, Jim Callis of MLB Pipeline reports.

Kilby suffered the injury during spring training, but Callis notes that Kilby should return soon. Assuming he puts the injury behind him, Kilby could make waves in the lower levels of the minors this year after he hit .353 with 16 steals in 18 games at Single-A last year after getting drafted out of high school with the No. 39 overall pick.

The Mets recalled Mauricio from Triple-A Syracuse on Monday.

He'll join the 26-man active roster as a replacement for outfielder Juan Soto (calf), who was placed on the 10-day injured list. Mauricio slashed a mere .226/.293/.369 across 61 contests for the Mets last season after missing all of 2024 while recovering from knee surgery. He'll offer manager Carlos Mendoza another infield option, but Mauricio will likely operate mostly as a reserve.

The Red Sox optioned Uberstine to Triple-A Worcester on Monday.

Uberstine was unlikely to be available to pitch for another day or two after tossing 2.2 innings and 45 pitches in relief during Sunday's loss to the Padres, so the Red Sox will send him back to the minors to clear room on the active roster for right-hander Garrett Whitlock (personal), who was reinstated from the paternity list. Once he's back in Worcester, Uberstine will likely settle back into the rotation after making his MLB debut out of the bullpen.

Martinez is sidelined at Single-A Delmarva due to a hamstring injury, Jonathan Mayo of MLB Pipeline reports.

Martinez has not been placed on the injured list, but he has not played in a game yet this season for the Shorebirds. The 18-year-old outfielder hit .125 with a 48.4 percent strikeout rate in 25 games at Single-A last year, but he has always logged high walk rates while being young for his levels, and there is plus raw power potential as he fills out his 6-foot-4 frame.

The Red Sox reinstated Whitlock (personal) from the paternity leave list Monday.

Boston sent out right-hander Tyler Uberstine to Triple-A Worcester to clear room on the active roster for Whitlock, who spent the maximum three days away from the Red Sox while observing the birth of his child. The 29-year-old right-hander should return to a high-leverage role in the Boston bullpen.

The Mets placed Soto (calf) on the 10-day injured list Monday.

Soto strained his right calf during Friday's 10-3 win over the Giants. The Mets gave him a couple days to recover in order to see if he made enough improvement to avoid an IL stint, but it didn't happen. According to the Mets, Soto's calf strain is viewed as minor and is expected to keep him out for 2-to-3 weeks. Jared Young has filled in for Soto in left field for the last two games and should continue to see increased reps. Brett Baty (thumb) and Tyrone Taylor are also candidates to see more playing time in the outfield.

The White Sox claimed Nikhazy off waivers from the Guardians on Monday and optioned him to Triple-A Charlotte.

Nikhazy was buried on the Guardians' starting pitching depth chart, but he should have a better chance at emerging as a big-league rotation option for the White Sox at some point later on in 2026. The southpaw made two appearances in the majors for Cleveland last season but otherwise spent the entire campaign at Triple-A Columbus, producing a 5.02 ERA, 1.53 WHIP and 87:43 K:BB across 86 innings.

Double-A Chesapeake placed Watts-Brown on the 7-day injured list April 2 with a shoulder injury, Jonathan Mayo of MLB Pipeline reports.

The 24-year-old righty came over from Toronto for Seranthony Dominguez at last year's trade deadline. Watts-Brown has a 3.62 ERA, 1.10 WHIP and 96:38 K:BB in 87 innings at Double-A.

Schneemann is not in the lineup for Monday's game against the Royals.

Schneemann has served in a super utility role for the Guardians this season but will take a seat in the series opener versus Kansas City. Steven Kwan will slide over to center field and CJ Kayfus will get the call in left field.