MLB Today
Loading scoreboard…

Boston, MA · ballpark file

South End Grounds I

Walpole Street Grounds; Union Baseball Grounds; Boston National League Base Ball Park; Boston Base Ball Grounds

Identity

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

Tracked Usage

Historical games
685
First-last
1871-1887
Home openers
108
Attendance
203,830
Avg BPF / PPF
101.6 / 98.4
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

1875 · Boston Red Stockings 46,030 attendance · 35 games · BPF 103
1874 · Boston Red Stockings 45,300 attendance · 34 games · BPF 105
1887 · Boston Beaneaters 41,000 attendance · 60 games · BPF 98
1872 · Boston Red Stockings 38,400 attendance · 21 games · BPF 105
1871 · Boston Red Stockings 32,600 attendance · 16 games · BPF 103
1874 · Hartford Dark Blues 500 attendance · 1 games · BPF 106
1885 · Boston Beaneaters 0 attendance · 59 games · BPF 96
1886 · Boston Beaneaters 0 attendance · 59 games · BPF 97

Team Chronology

Who used the park, and what came before/after
TeamYearsGamesAttendanceBPFPPF
Boston Red CapsBSN 1876-1887 550 41,000 100.1 97.8
Boston Red StockingsBS1 1871-1875 134 162,330 104.4 98.4
Hartford Dark BluesHR1 1874-1874 1 500 106.0 106.0

Franchise Park Chain

ATL

Boston Ballparks

City view
Scout Pack Keep digging
Today scoreboard, games, lineups Live Board pitch feed and stories Standings division and wild-card races Playoff Odds daily odds model Teams all 30 club hubs Players active roster directory Stats leaderboards and lenses Venues parks by city Trend Lab pitch-by-pitch charts Compare player vs player Site Atlas pages, APIs, feeds