Stephen James Nogosek (born January 11, 1995) is an American professional baseball pitcher for the Diablos Rojos del México of the Mexican League.

Nogosek attended Woodcreek High School in Roseville, California,[1] where he played baseball[2] and football.

[10] Nogosek signed with Boston for $250,000 and made his professional debut with the Lowell Spinners before being promoted to the Greenville Drive.

He began 2017 back with Greenville, where he was named a South Atlantic League All-Star,[13] and was promoted to the Salem Red Sox in June.

On July 31, 2017, the Red Sox traded Nogosek, Jamie Callahan, and Gerson Bautista to the New York Mets in exchange for Addison Reed.

Nogosek began 2018 with St. Lucie (where he was named to the Florida State League All-Star Game) and was promoted to the Binghamton Rumble Ponies in June.

After going 2–0 with a 0.57 ERA in 19 relief appearances between Binghamton and Syracuse, his contract was purchased on June 18 and he was called up to the major leagues.

[18] He made his major league debut on June 19 for the Mets against the Atlanta Braves, pitching 2/3 of an inning and giving up two earned runs.

[25] On October 4, Nogosek recorded his first career win after tossing 2+2⁄3 scoreless innings of relief in the second game of a doubleheader against the Washington Nationals.