Adam Robert Ottavino (born November 22, 1985) is an American professional baseball pitcher who is a free agent.

[2] He played in a summer developmental league with future teammate Dellin Betances, who was a couple of grades younger.

[3] The Tampa Bay Devil Rays selected Ottavino in the 30th round of the 2003 MLB draft, but he did not sign.

[17] On May 4, 2015, it was revealed that Ottavino had a partially torn ulnar collateral ligament in his right elbow,[18] which required Tommy John surgery, ending his 2015 season.

[23] Following the 2017 season, Ottavino rented a vacant storefront on St. Nicholas Avenue in Harlem from his father-in-law which he converted into a pitching lab.

In the lab, he and other local players at lower levels of the sport used technology and data to develop pitches and hone their craft.

[28] During the regular season, Ottavino made 69 appearances for Boston, all in relief, compiling a 7–3 record with 11 saves and 4.21 ERA.

[27] In the postseason, he made five relief appearances, allowing one run in four innings, as the Red Sox advanced to the American League Championship Series.

[30] During the regular season, he made 66 appearances for the Mets, compiling a 6–3 record with three saves and a 2.06 ERA, striking out 79 batters across 652⁄3 innings pitched.

[27] In his lone postseason appearance, he allowed one run in one inning pitched during Game 2 of the National League Wild Card Series against the San Diego Padres.

On December 20, 2022, Ottavino re-signed with the Mets on a two-year, $14.5 million contract including an opt-out after the 2023 season.

During his first season with the Yankees, Ottavino resided in his childhood neighborhood of Park Slope in Brooklyn, New York City, with his wife, Brette, and their two daughters and son.