Josimar Cousín

Josimar Isaac Cousín is a Cuban professional baseball pitcher for the Rieleros de Aguascalientes of the Mexican League.

Career

Chicago White Sox

On May 25, 2023, Cousín signed a minor league contract with the Chicago White Sox for a $100,000 signing bonus. He spent his first affiliated season split between the rookie–level Arizona Complex League White Sox, High–A Winston-Salem Dash, and Double–A Birmingham Barons. In 15 starts between the three teams, Cousín accumulated a 5.56 ERA with 47 strikeouts across 55 innings of work.
On December 20, 2023, the White Sox selected Cousín's contract and added him to their 40-man roster. He was optioned to the Triple–A Charlotte Knights to begin the 2024 season. On April 16, 2024, Cousín was designated for assignment following the promotion of Jonathan Cannon. He cleared waivers and was sent outright to Double–A Birmingham on April 20. In 30 appearances split between Charlotte and Birmingham, Cousín recorded a combined 2.80 ERA with 34 strikeouts and innings pitched. He elected free agency following the season on November 4.

Bravos de León

On March 3, 2025, Cousin signed with the Bravos de León of the Mexican League. In nine starts for León, Cousín struggled to a 2-4 record and 8.74 ERA with 21 strikeouts across 34 innings of work. He was released on June 8.

Rieleros de Aguascalientes

On June 10, 2025, Cousín signed with the Rieleros de Aguascalientes of the Mexican League. In 8 games he threw 28 innings going 2-2 with a 6.11 ERA and 18 strikeouts.