2003 Pittsburgh Pirates season

The 2003 Pittsburgh Pirates season was the 122nd season of the franchise; the 117th in the National League. This was their third season at PNC Park. The Pirates finished fourth in the National League Central with a record of 75–87 and missed the playoffs for the 11th consecutive season.

Offseason

 * November 25, 2002: Randall Simon was traded by the Detroit Tigers to the Pittsburgh Pirates for a player to be named later and Adrian Burnside (minors). The Pittsburgh Pirates sent Roberto Novoa (December 16, 2002) to the Detroit Tigers to complete the trade.
 * January 28, 2003: Jeff D'Amico was signed as a free agent with the Pittsburgh Pirates.
 * March 14, 2003: Kenny Lofton signed as a free agent with the Pittsburgh Pirates.

Regular season

 * June 24, 2003 – Brad Wilkerson of the Montreal Expos hit for the cycle in a game against the Pirates.

Game log

 * Legend:      = Win       = Loss Bold = Pirates team member
 * Legend:      = Win       = Loss Bold = Pirates team member

Awards and honors
2003 Major League Baseball All-Star Game
 * Mike Williams, P, reserve

Statistics
''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''
 * Hitting

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
 * Pitching

Transactions

 * July 22, 2003: Brandon Lyon was traded by the Boston Red Sox with Anastacio Martinez to the Pittsburgh Pirates for Mike Gonzalez and Scott Sauerbeck.
 * July 23, 2003: Kenny Lofton was traded by the Pittsburgh Pirates with Aramis Ramírez and cash to the Chicago Cubs for a player to be named later, Jose Hernandez, and Matt Bruback (minors). The Chicago Cubs sent Bobby Hill (August 15, 2003) to the Pittsburgh Pirates to complete the trade.
 * July 31, 2003: Freddy Sanchez was traded by the Boston Red Sox with Mike Gonzalez and cash to the Pittsburgh Pirates for Brandon Lyon, Jeff Suppan, and Anastacio Martinez.
 * August 17, 2003: Randall Simon was traded by the Pittsburgh Pirates to the Chicago Cubs for Ray Sadler.
 * August 26, 2003: Jason Bay was traded by the San Diego Padres with a player to be named later and Óliver Pérez to the Pittsburgh Pirates for Brian Giles. The San Diego Padres sent Corey Stewart (minors) (October 2, 2003) to the Pittsburgh Pirates to complete the trade.

Draft picks

 * Note
 * Age at time of draft.

Farm system
LEAGUE CHAMPIONS: Williamsport, DSL Pirates