1878 Boston Red Caps season
The 1878 Boston Red Caps season was the eighth season of the franchise. The Red Caps won their second straight National League pennant.Regular season
Record vs. opponents
Roster
Batting
Starters by position
Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
| Pos | Player | G | AB | H | Avg. | HR | RBI |
| C | | 60 | 226 | 48 | .212 | 0 | 14 |
| 1B | | 60 | 233 | 56 | .240 | 0 | 23 |
| 2B | | 60 | 246 | 64 | .260 | 0 | 25 |
| 3B | | 60 | 239 | 54 | .226 | 1 | 29 |
| SS | | 59 | 267 | 60 | .225 | 0 | 12 |
| OF | | 60 | 262 | 68 | .260 | 0 | 16 |
| OF | | 60 | 248 | 63 | .254 | 0 | 23 |
| OF | | 60 | 255 | 71 | .278 | 1 | 29 |
Other batters
Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
| Player | G | AB | H | Avg. | HR | RBI |
| 2 | 8 | 1 | .125 | 0 | 0 |
Pitching
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned Run Average; SO = Strikeouts
| Player | G | IP | W | L | ERA | SO |
| 59 | 532.2 | 40 | 19 | 2.06 | 182 |
Other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned Run Average; SO = Strikeouts
| Player | G | IP | W | L | ERA | SO |
| 3 | 11.1 | 1 | 0 | 14.29 | 2 |
