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Brooklyn, NY · ballpark file

Union Grounds

Identity

Opened
1871
Capacity
-
Surface
-
Roof
-
Replaced
See team chronology
Lease/status
Status note not cached yet.

Tracked Usage

Historical games
315
First-last
1871-1878
Home openers
178
Attendance
195,226
Avg BPF / PPF
94.8 / 96.3
2026 games
0

2026 Run Environment

Scored games
0
Avg total runs
-
Day / night
0 / 0
First 2026
-
Last 2026
-
Next game
-

Meaningful Games And Seasons

DB-derived highlights

Highest run totals · 2026

No scored 2026 games are cached for this venue yet.

Recent / next

No 2026 game rows mapped to this venue.

Peak attendance seasons

1872 · New York Mutuals 46,750 attendance · 29 games · BPF 93
1871 · New York Mutuals 42,050 attendance · 19 games · BPF 90
1874 · New York Mutuals 37,600 attendance · 35 games · BPF 103
1875 · New York Mutuals 29,202 attendance · 36 games · BPF 99
1874 · Brooklyn Atlantics 19,800 attendance · 29 games · BPF 89
1875 · Brooklyn Atlantics 11,324 attendance · 27 games · BPF 88
1872 · Brooklyn Eckfords 3,400 attendance · 14 games · BPF 87
1871 · Boston Red Stockings 3,000 attendance · 1 games · BPF 103

Team Chronology

Who used the park, and what came before/after
TeamYearsGamesAttendanceBPFPPF
New York MutualsNY2 1871-1875 150 155,602 96.6 95.6
Brooklyn AtlanticsBR2 1873-1875 85 31,124 89.0 94.0
New York MutualsNY3 1876-1876 33 0 96.0 100.0
Hartford Dark BluesHAR 1877-1877 28 0 90.0 87.0
Brooklyn EckfordsBR1 1872-1872 14 3,400 87.0 96.0
Boston Red StockingsBS1 1871-1871 1 3,000 103.0 98.0
Chicago White StockingsCH1 1871-1871 1 600 104.0 102.0
Washington OlympicsWS3 1871-1871 1 1,500 94.0 98.0
Elizabeth ResolutesELI 1873-1873 1 0 92.0 103.0
Providence GraysPRO 1878-1878 1 0 100.0 96.0

Franchise Park Chain

NNA

Brooklyn Ballparks

City view
Scout Pack Keep digging
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