Adonis Medina

Adonis Medina Del Rosario (born December 18, 1996) is a Dominican professional baseball pitcher for the Toros de Tijuana of the Mexican League. He has previously played in Major League Baseball (MLB) for the Philadelphia Phillies and New York Mets, and in the KBO League for the Kia Tigers. He made his MLB debut in 2020.

Baseball career Philadelphia Phillies Minor leagues Medina was born in Santo Domingo, Dominican Republic. He signed with the Philadelphia Phillies as an international free agent on May 29, 2014. Medina made his professional debut that season with the Dominican Summer League Phillies and spent the whole season there, going 2–3 with a 1.37 earned run average (ERA) and 0.987 walks plus hits per inning pitched (WHIP), with 22 strikeouts in innings pitched (IP).

Medina played in 2015 with the rookie-level Gulf Coast Phillies. He compiled a 3–2 record, 2.98 ERA, and 1.19 WHIP with 35 strikeouts in innings of work.

Before the 2017 season, Baseball Prospectus ranked Medina the 91st-best minor league prospect. In 22 starts, he was 4–9 with a 3.01 ERA (9th in the South Atlantic League), and 133 strikeouts (4th in the league) in innings, averaging 10.0 strikeouts per 9 innings pitched. In July, Medina played in the All-Star Futures Game. Baseball Prospectus ranked him the 57th-best prospect in baseball, MLB Pipeline named him the 64th-best prospect, and MLB.com ranked him number 77. Baseball America named Medina the 4th-best prospect in the Phillies minor league system. He was a mid-season Eastern League All-Star. Medina was charged with the loss, giving up four hits and two earned runs over four innings pitched. He was optioned down, following the game.

Medina spent the majority of his 2021 season with the Triple–A Lehigh Valley IronPigs, making 17 starts and registering a 4–5 record and 5.05 ERA with 55 strikeouts in innings pitched. In 4 major league games with the Phillies, he allowed 3 runs on 9 hits and 4 walks in innings of work. On December 1, 2021, the Phillies designated Medina for assignment following the signing of Johan Camargo. The decision on Medina's designation was delayed due to the 2021–22 Major League Baseball lockout, which prompted a freeze on Major League transactions.

New York Mets Following the end of the lockout, Medina was claimed off of waivers by the Pittsburgh Pirates, on March 16, 2022. On April 7, he was designated for assignment and was subsequently traded to the New York Mets in exchange for cash and optioned to the Syracuse Mets of the Triple–A International League.

On June 5, he recorded his first career MLB save in the 10th inning of a 5–4 win against the Los Angeles Dodgers. In 14 games for the Mets, he posted a 6.08 ERA with 17 strikeouts and 1 save in innings of work. On September 6, Medina was designated for assignment. He cleared waivers and was sent outright to Triple–A Syracuse on September 9. He elected free agency following the season on November 10.

Kia Tigers On December 6, 2022, Medina signed a minor league deal with the Milwaukee Brewers organization. He was released on December 15, to formally sign overseas.

On December 11, 2022, Medina agreed to a contract with the Kia Tigers of the KBO League. Medina made 12 starts for Kia in 2023, but struggled to a 2–6 record and 6.05 ERA with 36 strikeouts in 58 innings pitched. On July 4, 2023, he was released by the Tigers following the signing of Mario Sanchez.

Washington Nationals On February 2, 2024, Medina signed a minor league contract with the Washington Nationals. In 49 relief appearances for the Triple-A Rochester Red Wings, he compiled an 8–3 record, 3.76 ERA, and 60 strikeouts across innings pitched. Medina elected free agency on November 4.

Seattle Mariners On November 18, 2024, Medina signed a minor league contract with the Seattle Mariners.

Philadelphia Phillies (second stint) On July 4, 2025, Medina signed a minor league contract with the Philadelphia Phillies. He made 10 appearances (seven starts) for the Triple-A Lehigh Valley IronPigs, posting an 0–3 record and 3.41 ERA with 29 strikeouts across innings pitched. Medina elected free agency following the season on November 6.

Toros de Tijuana On May 3, 2026, Medina signed with the Toros de Tijuana of the Mexican League.