The 1884 Boston Reds finished with a 58–51 record in the Union Association, finishing in fifth place (fourth among teams that played a full schedule).
This was the only season 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