This article was originally published on www.si.com/collectibles as 2 Key Rookie Autographs of Ryan Helsley as he joins the New York Mets.

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.

Yankees linked to Ryan Helsley as Cardinals expected to trade closer originally appeared on Athlon Sports. The Yankees aren’t just kicking the tires on bullpen help. They’re launching a full-scale scouting operation.