Claudio compiled a 4.26 ERA in 20 appearances last season. Gamel batted .237 with three homers and 10 RBIs in 40 games. Peterson hit .200 with two homers and five RBIs in 26 games.
The Brewers struggled to get much from their catchers last season.
Narváez was coming off a 22-homer season when the Brewers acquired him from Seattle in December 2019, but he batted just .176 with two homers and 10 RBIs over 40 games with Milwaukee.
Piña batted .231 with two homers and five RBIs in 15 games before season-ending knee surgery. Jacob Nottingham hit .188 with four homers and 13 RBIs in 20 games.
The Associated Press contributed to this report.