Helsley, 31, has been one of the game's best closers since moving into the role for St. Louis in 2022. With a high-octane fastball and untouchable slider, he's posted 103 saves and a 2.03 ERA with 266 strikeouts in 203 2/3 innings during that time.

On the eve of the deadline, the Mets and Giants completed a trade that will send standout submariner Tyler Rogers to Queens. In a package that contains plenty of prospect name value, big league reliever José Buttó plus Drew Gilbert and Blade Tidwell will head to San Francisco.

In need of bullpen help, the Mets acquired Tyler Rogers in a trade with the Giants ahead of the MLB trade deadline.