The New York Mets announced Sunday prior to their game against the Miami Marlins that they’ve selected the contracts of RHP Robert Stock and RHP Bryce Conley. They also designated RHP Kevin Herget for assignment and optioned RHP Jonathan Pintaro to Triple-A Syracuse.

Stock is slated to start Sunday’s series finale at Citi Field. Stock last appearanced in a big-league game with the Boston Red Sox in 2025. He has a career 4.90 ERA across 75 1/3 major league innings.

Stock, 36, has thrown 21 2/3 innings in the minor leagues this season between the High-A (rehab) and Triple-A levels. He has 31 strikeouts, allowing an opponent batting average of .188, and has posted a 2.91 ERA. Stock experienced shoulder tightness while pitching with Israel in the World Baseball Classic, thus why he has been limited to only 21 2/3 innings this season.

With Syracuse (Triple-A), his outings most recently Have been between three and four innings. Stock mainly relies on his cutter but also blends in a sinker, sweeper, and four-seam fastball. His four-seamer and sinker sit in the 94-to-95 mph range.

Conley, 31, has yet to make a major-league debut. He has thrown 582 2/3 innings throughout his minor league career (4.74 ERA). In 2026, he has split time between the Double-A and Triple-A levels. He had a 5.89 ERA across 91 2/3 innings of action serving mainly as a starting pitcher. Most recently he was pitching with Double-A Binghamton.

Conley, who was signed by the Mets to a minor-league contract in February of 2026, after departing the Washington Nationals’ organization, relies on a cutter, four-seam fastball, curveball, and slider. His cutter sits in the high-80 mph range but fastball reaches over 95 mph.

Herget, 35, who was designated for assignment, pitched one inning with the major-league ball club this season. He was rehabbing with High-A Brooklyn before being placed on the developmental list with Syracuse (Triple-A).

Pintaro pitched for the Mets August 1 against Atlanta. The 28-year-old has bounced around between the Triple-A and major league level this season.