The Yankees traded Trevino to the Reds on Friday in exchange for Fernando Cruz and Alex Jackson, Jack Curry of YES Network reports.
The Reds signed Shaw to a minor-league contract Friday that includes an invitation to spring training, Robert Murray of FanSided.com reports.
The Reds claimed Contreras off waivers from the Rangers on Thursday.
The Reds selected Bowman with the seventh pick in the Rule 5 draft Wednesday, JJ Cooper of Baseball America reports.
Stewart (wrist) was swinging a bat in October and should be fully ready for spring training, Baseball America reports.
The Reds currently have (at least) six starters that could be on the Opening Day roster, following the Brady Singer trade, Gordon Wittenmyer of The Cincinnati Enquirer reports. In addition to Singer, there's Hunter Greene, Nick Martinez, Nick Lodolo, Andrew Abbott and Lowder.
Espinal and the Reds agreed to a one-year, $2.4 million contract Friday to avoid arbitration, Jon Heyman of the New York Post reports.
The Reds selected Callihan's contract from Triple-A Louisville on Tuesday.
The Reds selected Mey's contract from Double-A Chattanooga on Tuesday.
Martinez accepted the Reds' $21.05 million qualifying offer for 2025 on Sunday, Francys Romero of BeisbolFR.com reports.
Pagan exercised his $8 million player option for 2025 on Saturday.
Suter signed a one-year, $2.25 million contract with the Reds on Friday.
The Reds outrighted Wynns to Triple-A Louisville on Friday.
The Reds outrighted Antone (elbow) to Triple-A Louisville on Friday.
Pagan has an $8 million option this offseason that he's expected to exercise, Gordon Wittenmyer of The Cincinnati Enquirer reports.
The Reds outrighted Leibrandt to Triple-A Louisville on Wednesday.
McLain is starting in center field Tuesday for the Glendale Desert Dogs during Arizona Fall League play, Doug Gray of RedlegNation.com reports.
The Reds designated Leibrandt for assignment Monday.
The Reds designated Rosario for assignment Monday.
The Reds activated McLain (shoulder/rib) from the 60-day injured list Monday.
The Reds activated Encarnacion-Strand (wrist) from the 60-day injured list Monday.
Martinez is expected to exercise his option to opt out of his $12 million 2025 deal, C. Trent Rosecrans of The Athletic reports.
Aguiar will miss the entire 2025 season after undergoing Tommy John surgery, Mark Sheldon of MLB.com reports.
Marte went 1-for-3 and was caught stealing in Saturday's 3-0 loss to the Cubs.
Lowder did not factor into the decision in Saturday's 3-0 loss to the Cubs, allowing three hits and three walks with one strikeout over five scoreless innings.