McArthur (elbow) has begun a throwing program, MLB.com reports.

McArthur missed the entire 2025 season following surgery last offseason to address an olecranon fracture in his right elbow. He required a follow-up procedure in July to remove one of the two screws inserted into the elbow and only just recently was cleared to throw again. McArthur is scheduled for a follow-up appointment in mid-November to make sure his elbow is healing as expected.

Erceg (shoulder) will undergo imaging Monday in hopes of being cleared to begin a throwing program, MLB.com reports.

Erceg landed on the 15-day injured list in mid-September due to a right shoulder impingement. As long as scans Monday come back clean, the reliever should have a normal offseason. Erceg notched two saves and 22 holds for the Royals in 2025 and is slated to enter the 2026 campaign in a setup role.

Marsh underwent surgery in October to repair a labral tear in his right shoulder, MLB.com reports.

Marsh missed the entire 2025 season with shoulder issues and it was concluded last month that surgery was required. He is expected to need around a year to recover, so the right-hander is unlikely to be ready to pitch in a big-league game again until 2027. Marsh posted a 4.53 ERA and 123:39 K:BB over 129 innings for Kansas City in 2024.

The Orioles re-signed Enns to a one-year contract with a club option for 2027 on Monday.

Baltimore had a $3 million club option on Enns for 2026, but instead of picking that up it has hammered out a new deal with the left-hander. Enns was acquired by the Orioles via trade in late July and pitched well for them down the stretch, holding a 3.14 ERA and 34:11 K:BB over 28.2 frames. The southpaw will likely open 2026 in the bullpen, though he also offers the flexibility to be used as a starting pitcher.

Peralta exercised his $4.45 million player option for 2026 on Monday, Sammy Levitt of 97.3 The Fan San Diego reports.

Peralta made 71 appearances out of the Padres' bullpen in 2025, collecting a 3.14 ERA and 63:30 K:BB over 71.2 innings. The veteran reliever will be one of San Diego's key bullpen arms from the left side again in 2026.

Diaz became a free agent after opting out of his contract Monday, Ken Rosenthal of The Athletic reports.

Diaz had two years and $38 million remaining on his contract with the Mets, but he will forgo that salary as he seeks a longer and more lucrative free-agent deal. The Mets are likely to be in the mix to retain Diaz, but he will have plenty of interest on the open market. Diaz -- who turns 32 in March -- posted a 1.63 ERA, 0.87 WHIP and 98:21 K:BB over 66.1 frames in 2025, notching 28 saves in the process.

Minter (lat) exercised his $11 million player option for 2026 on Monday, Jon Morosi of MLB Network reports.

Minter made only 13 relief appearances for the Mets in 2025 before undergoing season-ending left lat surgery in early May. The left-hander is expected to be recovered in time for the start of spring training and will return to a high-leverage role in the Mets' bullpen. Minter could even see some save chances in 2026 if Edwin Diaz departs via free agency.

Suarez became a free agent after opting out of his contract Monday, Jon Heyman of the New York Post reports.

Suarez had an $8 million player option in 2026 and 2027, but he will forgo those and enter the free-agent market. The 34-year-old led the National League with 40 saves in 2025 and boasts a 2.87 ERA, 0.97 WHIP and 134:32 K:BB over 134.2 regular-season innings since the start of the 2024 campaign. Suarez should have no trouble landing a sizeable contract this offseason to serve as a closer.

The Rays designated Wilcox for assignment Monday.

Wilcox made his major-league debut this season with the Rays, getting roughed up for seven runs (three earned) over one inning in his lone appearance. The 26-year-old will go through the waivers process and could remain in the organization if he goes unclaimed.

The Rays designated Gerber for assignment Monday.

The Rays are doing some 40-man roster housecleaning and Gerber has lost his spot. The righty reliever made two appearances for Tampa Bay in 2025, allowing one run with a 4:0 K:BB over 4.1 innings.