Hayden Senger was optioned to Triple-A yesterday to make room for Francisco Alvarez on the roster. But the Mets want him to leave confidently knowing he's a big league catcher.

What Senger learned in his first Major League stint, and what he'll miss.

https://www.nydailynews.com/2025/04/24/hayden-senger-mets-catcher-francisco-alvarez/