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| Name | Given Name | Age | Birthday | Height | Weight | Birth City | Birth Country | Batting Hand | Throwing Hand |
|---|---|---|---|---|---|---|---|---|---|
| Jack O'Connor | John Joseph | 71 Deceased | 06/02/1866 | 6'10" | 170 lbs | St. Louis | R | R |
| Year | Team | Games | At Bats | Hits | Home Runs | RBI | Batting AVG | Wins | Losses | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1887 | Cincinnati Red Stockings | 40 | 4 | 0 | 1 | 0.1000 | Catcher | 6 | 0 | 13 | |||||
| 1888 | Cincinnati Red Stockings | 137 | 28 | 1 | 17 | 0.2044 | Outfield | 1 | 1 | 2 | |||||
| 1889 | Columbus Solons | 398 | 107 | 4 | 60 | 0.2688 | Catcher | 4 | 0 | 9 | |||||
| 1890 | Columbus Solons | 457 | 148 | 2 | 66 | 0.3239 | Outfield | 16 | 0 | 8 | |||||
| 1891 | Columbus Solons | 229 | 61 | 0 | 37 | 0.2664 | 1st Base | 1 | 3 | 0 | |||||
| 1892 | Cleveland Spiders | 572 | 142 | 1 | 58 | 0.2483 | 2nd Base | 1 | 1 | 6 | |||||
| 1893 | Cleveland Spiders | 384 | 110 | 4 | 75 | 0.2865 | Catcher | 26 | 6 | 127 | |||||
| 1894 | Cleveland Spiders | 330 | 104 | 2 | 51 | 0.3152 | Outfield | 7 | 1 | 2 | |||||
| 1895 | Cleveland Spiders | 340 | 99 | 0 | 58 | 0.2912 | 2nd Base | 1 | 3 | 7 | |||||
| 1896 | Cleveland Spiders | 256 | 76 | 1 | 43 | 0.2969 | 3rd Base | 0 | 0 | 1 | |||||
| 1897 | Cleveland Spiders | 397 | 115 | 2 | 69 | 0.2897 | Catcher | 27 | 13 | 146 | |||||
| 1898 | Cleveland Spiders | 478 | 119 | 1 | 56 | 0.2490 | Outfield | 4 | 1 | 1 | |||||
| 1899 | St. Louis Perfectos | 289 | 73 | 0 | 43 | 0.2526 | Short Stop | 3 | 1 | 9 | |||||
| 1900 | Pittsburgh Pirates | 32 | 7 | 0 | 6 | 0.2188 | Catcher | 2 | 2 | 29 | |||||
| 1900 | St. Louis Cardinals | 147 | 35 | 0 | 19 | 0.2381 | Outfield | 9 | 3 | 8 | |||||
| 1901 | Pittsburgh Pirates | 202 | 39 | 0 | 22 | 0.1931 | Catcher | 7 | 4 | 40 | |||||
| 1902 | Pittsburgh Pirates | 170 | 50 | 1 | 28 | 0.2941 | Outfield | 12 | 4 | 21 | |||||
| 1903 | New York Highlanders | 212 | 43 | 0 | 12 | 0.2028 | Catcher | 13 | 2 | 62 | |||||
| 1904 | St. Louis Browns | 47 | 10 | 0 | 2 | 0.2128 | Outfield | 6 | 0 | 8 | |||||
| 1906 | St. Louis Browns | 174 | 33 | 0 | 11 | 0.1897 | 1st Base | 1 | 4 | 3 | |||||
| 1907 | St. Louis Browns | 89 | 14 | 0 | 4 | 0.1573 | Catcher | 12 | 1 | 35 | |||||
| 1910 | St. Louis Browns | 0 | 0 | 0 | 0 | Outfield | 8 | 3 | 8 |