The 2003 Arizona Diamondbacks season was the franchise's 6th season in Major League Baseball and their 6th season at Bank One Ballpark in Phoenix, Arizona, as members of the National League West.
They looked to contend in what was once again a strong National League West.
They finished the season with a record of 84–78, good enough for third place in the division.
Infielders Other batters Coaches Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg.
= Batting average; HR = Home runs; RBI = Runs batted in Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts [9]