The Brewers finished sixth in the National League Central with a record of 68 wins and 94 losses.
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 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 The Brewers' farm system consisted of eight minor league affiliates in 2003.
[8] The Brewers operated a Venezuelan Summer League team as a co-op with the Cincinnati Reds.