The Mets are acquiring hard-throwing closer Ryan Helsley from the St. Louis Cardinals on Wednesday, a day before the July 31 Major League Baseball deadline, the team announced Wednesday. The Cardinals get back three minor leaguers: shortstop Jesus Baez and right-handed pitchers Nate Dohm and Frank Elissalt.

The Mets traded three players to the Cardinals for closer Ryan Helsley, who was expected to serve as the setup man in New York for Edwin Diaz.

The Mets are reportedly acquiring St. Louis Cardinals closer Ryan Helsley, according to ESPN's Jeff Passan, in exchange for a trio of prospects: Shortstop Jesus Baez (the team's No. 8 overall prospect ), pitcher Nate Dohm (No. 14) and pitcher Frank Elissalt.