The Brewers have traded reliever Justin Topa to the Seattle Mariners in exchange for pitching prospect Joseph Hernandez, both clubs announced on Saturday evening.
RHP Justin Topa has been traded to Seattle in exchange for RHP Joseph Hernandez. pic.twitter.com/5E8RFfptKn
— Milwaukee Brewers (@Brewers) January 8, 2023
FanGraphs listed Hernandez as Seattle’s #13 prospect in their updated 2022 rankings. The 22-year-old spent the entire season in Single-A, posting a 3.39 ERA while striking out 143 in 116 2⁄3 innings. Hernandez led the California League in those two marks and was voted the league’s Pitcher of the Year.