José DeLeón Chestaro (December 20, 1960 – February 25, 2024) was a Dominican professional baseball right-handed pitcher who played in Major League Baseball (MLB) with the Pittsburgh Pirates, Chicago White Sox, St. Louis Cardinals, Philadelphia Phillies, and Montreal Expos, over all or parts of 13 seasons (1983–1995).

In July 1986, the Pirates traded him to the Chicago White Sox for Bobby Bonilla.

[2] In February 1988, the White Sox traded him to the St. Louis Cardinals for Ricky Horton and Lance Johnson.

[5] In August 1993, he was traded from the Phillies to the Chicago White Sox for Bobby Thigpen.

For his career, he compiled a win–loss record of 86–119, in 415 appearances, with a 3.76 earned run average (ERA), and 1,594 strikeouts in 1,897.1 innings pitched.