The 1884 Baltimore Monumentals finished with a 58–47 record in the Union Association, finishing in fourth place.
This was the only season this version of the team existed, and indeed the only season the Union Association existed.
Infielders Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg.
= Batting average; HR = Home runs Note: G = Games played; AB = At bats; H = Hits; Avg.
= Batting average; HR = Home runs 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