BIOGRAPHY
Dominic Leone was born October 26, 1991, in Norwich, Connecticut. He is a pitcher in the MLB.
During spring training in 2015, Leone struggled with his command, and the Mariners assigned him to Triple-A Tacoma. When the Mariners placed Tom Wilhelmsen on the disabled list in early April, they promoted Leone. Leone made 10 appearances with the Mariners in 2015, posting a 6.35 ERA and nine walks in 111⁄3 innings. In the minors, he put up a 1–1 record, 7.71 ERA, and eight strikeouts in 91⁄3.
Jays to the minor league camp late in spring training, Leone was recalled on April 2 to start the 2017 season with the major league club, taking the roster spot of the injured closer Roberto Osuna. He was optioned to the Triple-A Buffalo Bisons on May 30 but was recalled again on June 6. Leone was placed on the bereavement list for undisclosed reasons on August 13, and activated on August 16. On September 11, Leone earned his first major league saves when he pitched a scoreless 9th inning in a 4–3 victory against the Baltimore Orioles. Leone would finish his first season as a Blue Jay appearing in 65 games, posting a 2.56 ERA, and striking out 81 batters over 701⁄3 innings.
On December 8, 2020, Leone signed a minor league contract with the San Francisco Giants organization. On June 1, 2021, he was selected to the active roster. In the 2021 regular season, Leone was 4-5 with 2 saves and a career-best 1.51 ERA. He pitched in 57 games (4 starts), covering 53.2 innings in which he allowed 6.2 hits/9 innings.
On May 4, 2023, Leone signed a major league contract with the New York Mets. After hours signing with the Mets, Leone's first game back was against the Detroit Tigers where he pitched in relief for one inning. He faced three batters and had a strikeout.
On August 1, 2023, Leone was traded to the Los Angeles Angels in exchange for Jeremiah Jackson. Leone was claimed off waivers by the Seattle Mariners on August 31, 2023.