He is 28-34 with a 3.34 ERA and 83 saves in a career that has included stops with the Minnesota Twins (2016-21), San Diego Padres (2022), Milwaukee Brewers (2022) and Giants (2023-24).
Roxby, who turns 26 on March 12, was 0-4 with three saves and a 5.21 ERA in 39 relief appearances for Double-A Chattanooga last season. He struck out 65 and walked 24 in 48 1/3 innings.
The Reds also designated right-handed pitcher Owen White for assignment.
White, 25, allowed eight runs over three innings in three appearances with the Texas Rangers last season. He also went 2-8 with one save and a 5.64 ERA with Triple-A Round Rock in 29 games, including 15 starts.
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AP MLB: https://apnews.com/hub/mlb