The Mets claimed Castillo off waivers from the Orioles on Thursday.

Castillo had stints with Arizona, Baltimore, Seattle and the Mets in 2025. He'll return to New York after being exposed to waivers. Castillo posted a 3.94 ERA across 32 innings of relief in the big leagues this year.

The Dodgers added Ortiz to the 40-man roster on Thursday

Ortiz jumped up from High-A to Triple-A this season, and the young southpaw, who turns 26 in January, is now a part of the 40-man roster. He logged a 2.76 ERA and a 1.24 WHIP in 16.1 innings at Triple-A Oklahoma City in 2025.

Benschoter cleared waivers Thursday and was sent outright to Triple-A Louisville.

Benschoter joined the Reds' active roster twice in 2025 but has yet to make his debut in the major leagues. He appeared in 38 games at Louisville, however, turning in a 4.12 ERA and 1.33 WHIP with a 68:22 K:BB over 78.2 innings. He's likely to report back to Triple-A to begin the 2026 campaign.

The Giants designated Black for assignment Thursday.

Black spent the majority of the 2025 campaign at Triple-A Sacramento, where he struggled to the tune of a 5.81 ERA and 1.48 WHIP alongside a 114:62 K:BB over 119.1 innings. His poor performance will now cause him to lose his place on San Francisco's 40-man roster in favor of Reiver Sanmartin, who was claimed off waivers from the Reds in a corresponding move.

The Giants claimed Sanmartin off waivers from the Reds on Thursday, Alex Pavlovic of NBC Sports Bay Area reports.

Sanmartin will get a fresh start out west after spending the last six seasons as part of the Reds organization. The left-hander, who turns 30 in April, appeared in one big-league game during the 2025 campaign. He tallied a 2.67 ERA, a 1.24 WHIP and a 55:18 K:BB across 67.1 innings for Triple-A Louisville.

Roa cleared waivers Thursday and was sent outright to Triple-A Jacksonville.

Roa pitched three scoreless innings for the Marlins this season but spent most of his time in Triple-A, where he posted a 2.83 ERA and 1.10 WHIP over 60.1 frames. Despite his strong performance, he'll now lose his place on Miami's 40-man roster and aim to earn it back during spring training.

The Marlins claimed Brzykcy off waivers Thursday from the Nationals.

Brzykcy appeared in 26 games with the Nationals in 2025, posting a 9.00 ERA and a 24:12 K:BB across 23 innings. He closed out the season at Triple-A Rochester and logged a 17.18 ERA across 11 innings after being optioned there Aug. 5.

The Dodgers exercised Vesia's (personal) $3.55 milion club option for 2026 on Thursday, Fabian Ardaya of The Athletic reports.

With a 3.02 ERA and 0.99 WHIP across 59.2 regular-season innings, Vesia played a crucial part in stabilizing a Dodgers bullpen that often struggled in 2025. He also gave up two earned runs over 4.2 innings in the postseason, but personal matters prevented him from pitching during the World Series. The left-hander is expected to take on a high-leverage role again in 2026.

Atlanta outrighted Payamps to Triple-A Gwinnett on Thursday.

Payamps has the ability to decline the outright assignment and elect free agency, which he seems likely to do. The 31-year-old reliever held a 6.84 ERA over 30 appearances between Milwaukee and Atlanta in 2025, but a 2.78 ERA over 137 regular-season appearances for the Brewers across 2023 and 2024 should be enough for a team to take a flier on the righty.

Atlanta outrighted Cox to Triple-A Gwinnett on Thursday.

Cox made 13 appearances for Atlanta in 2025, posting an 8.86 ERA and 22:7 K:BB over 21.1 innings. The lefty reliever is no longer on the 40-man roster but remains in the organization.