The Cubs claimed Zastryzny (elbow) off waivers from the Brewers on Monday, Maddie Lee of the Chicago Sun-Times reports.

It's a return to his original organization for Zastryzny, who was drafted by the Cubs and spent his first three major-league seasons in Chicago. The lefty reliever ended the season on the injured list with elbow tendinitis but looks to be healthy headed into the offseason.

The Phillies claimed McMillon (elbow) off waivers from the Marlins on Monday.

McMillon ended the 2024 season on the injured list with an elbow injury, but the Phillies are evidently comfortable with his health situation. The right-handed reliever holds a 1.69 ERA and 21:5 K:BB over 16 innings during parts of two seasons at the major-league level.

The Pirates outrighted Mattson to Triple-A Indianapolis on Monday, Andrew Destin of the Pittsburgh Post-Gazette reports.

Mattson is no longer on the 40-man roster but will stick around in the organization. He allowed three runs over 5.1 relief innings for the Pirates this season.

The Pirates outrighted Jefferies to Triple-A Indianapolis on Monday, Andrew Destin of the Pittsburgh Post-Gazette reports.

Jefferies has been outrighted previously, so he could elect free agency if he wants. The right-hander ended the season on the 60-day injured list with an elbow injury, but he had been making rehab starts so he should be healthy heading into the offseason.

The Pirates outrighted Heller (shoulder) to Triple-A Indianapolis on Monday, Andrew Destin of the Pittsburgh Post-Gazette reports.

Heller ended the season on the 60-day injured list with a shoulder issue. He's off the 60-day IL but will not return to the 40-man roster. It's not clear how healthy his shoulder is now.

The Phillies outrighted Tarnok to Triple-A Lehigh Valley on Monday, Matt Gelb of The Athletic reports.

Tarnok has been removed from the 40-man roster but will stick around in the organization for now. The righty was a waiver claim of the Phillies back in July.

The Phillies outrighted Ortiz (elbow) to Triple-A Lehigh Valley on Monday, Matt Gelb of The Athletic reports.

Ortiz had Tommy John surgery in July and will miss most, if not all, of the 2025 season. He'll remain in the organization to rehab the injury but is no longer on the 40-man roster.

The Phillies outrighted Marte (shoulder) to Triple-A Lehigh Valley on Monday, Matt Gelb of The Athletic reports.

Marte has been scrubbed from Philadelphia's 40-man roster but will remain in the organization. He finished the season on the injured list at Lehigh Valley with a shoulder problem and it's unclear what his current health situation is.

The Diamondbacks claimed Martinez off waivers from the Astros on Monday.

Martinez, 30, held a 3.59 ERA and 36:18 K:BB across 52.2 frames for Houston in 2024. He will provide the Diamondbacks with some additional right-handed relief depth.

The Mets outrighted Gage to Triple-A Syracuse on Monday, Michael Mayer of MetsmerizedOnline.com reports.

Gage has accepted the assignment and will remain in the organization. The lefty spent all of 2024 at the Triple-A level, collecting a 4.10 ERA and 51:22 K:BB over 41.2 innings.