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Full Name: Billy O'Brien
Birth Date: 3/14/1860
Birth City: Albany
Height: 72 inches
Weight: 185 lbs
Bats: Right
Throws: Right
Age: 51
| Year | Team | Hits | At Bats | Home Runs | RBI | Batting Average |
|---|---|---|---|---|---|---|
| 1884 | SPU | 7 | 30 | 0 | 0 | 0.233 |
| 1884 | KCU | 4 | 17 | 0 | 0 | 0.235 |
| 1887 | WS8 | 126 | 453 | 19 | 73 | 0.278 |
| 1888 | WS8 | 119 | 528 | 9 | 66 | 0.225 |
| 1889 | WS8 | 0 | 8 | 0 | 0 | 0.000 |
| 1890 | BR4 | 108 | 388 | 4 | 67 | 0.278 |
| Year | Team | Wins | Losses | Games | Strikeouts | Shutouts |
|---|---|---|---|---|---|---|
| 1884 | SPU | 1 | 0 | 2 | 7 | 0 |
| Year | Team | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|
| 1884 | SPU | 3B | 4 | 0 | 14 |
| 1884 | SPU | P | 3 | 1 | 4 |
| 1884 | KCU | 1B | 0 | 0 | 1 |
| 1884 | KCU | 3B | 4 | 0 | 9 |
| 1887 | WS8 | 1B | 32 | 53 | 26 |
| 1887 | WS8 | 2B | 0 | 0 | 5 |
| 1887 | WS8 | 3B | 2 | 0 | 5 |
| 1887 | WS8 | OF | 0 | 0 | 3 |
| 1888 | WS8 | 1B | 33 | 55 | 38 |
| 1888 | WS8 | 3B | 0 | 0 | 1 |
| 1889 | WS8 | 1B | 0 | 0 | 0 |
| 1890 | BR4 | 1B | 29 | 66 | 35 |