Roa signed a minor-league contract with the Astros on Dec. 20.
Roa made his MLB debut with the Marlins in 2025, throwing three scoreless innings while striking out three batters and walking three. Most of his time was spent in Triple-A, where he posted a 2.83 ERA and 1.10 WHIP across 60.1 frames. The 26-year-old righty is likely to report to Triple-A Sugar Land to begin the 2026 campaign, though he could join the Astros' bullpen at some point if he continues to thrive in the minors.
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Christian Roa: Hits open market
Rotowire
Roa elected free agency Friday.
The 26-year-old was outrighted to Triple-A Jacksonville by the Marlins on Thursday, and he was able to reject that assignment since he had been outrighted previously. Roa made two scoreless appearances for Miami during the 2025 season and had a 2.83 ERA over 60.1 innings at Triple-A.
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Marlins' Christian Roa: Outrighted to Triple-A
Rotowire
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.
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Marlins' Christian Roa: Sent down Monday
Rotowire
The Marlins optioned Roa to Triple-A Jacksonville on Monday.
Roa will return to Triple-A following a two-day stint in the big leagues with Miami activating Tyler Phillips (personal) from the paternity list. The 26-year-old right-hander made his lone appearance during his latest stay with Miami during Sunday's 2-0 loss to the Tigers, tossing a scoreless inning out of the bullpen.
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Marlins' Christian Roa: Brought back up to big club
Rotowire
Miami recalled Roa from Triple-A Jacksonville on Saturday.
Roa's return to the Marlins was spurred by fellow reliever Tyler Phillips landing on the paternity list. Phillips is allowed up to three days away from the team, so Roa's time with the big-league squad may be short. Roa has just one appearance with Miami this year, allowing one hit and one walk with three strikeouts over two scoreless innings against Philadelphia on Sept. 6.
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Marlins' Christian Roa: Selected from Jacksonville
Rotowire
The Marlins selected Roa's contract from Triple-A Jacksonville on Saturday.
Roa has enjoyed a breakout campaign at Jacksonville this season, turning in a 2.83 ERA and 1.10 WHIP alongside a 61:28 K:BB through 57.1 innings. The 26-year-old's performance will earn him a spot in Miami's bullpen as the replacement for the injured Freddy Tarnok (ankle). Roa will be making his MLB debut whenever he gets into a game.
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Marlins' Christian Roa: Tosses scoreless frame Saturday
Rotowire
Roa (shoulder) tossed a scoreless inning, allowing one walk while striking out a batter in Saturday's 7-6 win over the Cardinals in Grapefruit League action.
Roa ended the 2024 season on the 60-day injured list with the Reds after suffering a right shoulder strain. The right-hander was claimed off waivers by the Marlins in November and he has now officially left his shoulder injury in the past. Roa has yet to make his MLB debut after being selected in the second round of the 2020 MLB First-Year Player Draft by the Reds and he'll likely start the 2025 season with Triple-A Jacksonville.
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Reds' Christian Roa: Joins 40-man roster
Rotowire
The Reds selected Roa to their 40-man roster Tuesday.
Putting Roa on the 40-man roster prevents him from being scooped up by another team in next month's Rule 5 Draft. However, the 24-year-old righty will likely need to show significant improvement before getting the call to the majors after posting a 5.43 ERA and 1.77 WHIP across 61.1 frames with Triple-A Louisville in 2023.
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Reds' Christian Roa: Held back in extended ST
Rotowire
Roa is rehabbing an undisclosed injury in extended spring training, Doug Gray of RedsMinorLeagues.com reports.
The 23-year-old righty pitched 34.2 innings at High-A last season and will likely return to that level once healthy. He could reach Double-A by the end of the year.
