Pedro Jaime Martínez is a Dominican-American former professional baseball starting pitcher who played in Major League Baseball (MLB) from 1992 to 2009 for five teams—most notably the Boston Red Sox from 1998 to 2004.
As of 2023, Martínez's record of 219 wins and 100 losses places him tenth-highest in winning percentage in major league history and fifth-highest among pitchers with more than 2,000 career innings pitched. Martínez ended his career with an earned run average (ERA) of 2.93, among the lowest ever by a pitcher with at least 2,500 innings pitched since 1920. He reached the 3,000 strikeout mark in fewer innings than any pitcher except Randy Johnson and Max Scherzer; Martínez is the only pitcher other than Scherzer to compile over 3,000 career strikeouts with fewer than 3,000 innings pitched in his career. As of 2023, Martínez's career strikeout rate of 10.04 per nine innings ranks sixth all-time among pitchers with over 1,500 innings.
An eight-time All-Star, Martínez was at his peak from 1997 to 2003, establishing himself as one of the most dominant pitchers in baseball history.