| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Jack Lapp |
| Given Name | John Walker |
| Birth Date | 1884-9-10 |
| Birth City | Frazer, PA |
| Height | 5'8" |
| Weight | 160 lbs. |
| Batting Hand | Left |
| Pitching Hand | Right |
| Alive | No |
| Age | 35 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1908 | Philadelphia Athletics | 5 | 35 | 0 | 1 | 0.142857 | |||||
| 1909 | Philadelphia Athletics | 19 | 56 | 0 | 10 | 0.339286 | |||||
| 1910 | Philadelphia Athletics | 45 | 192 | 0 | 17 | 0.234375 | |||||
| 1911 | Philadelphia Athletics | 59 | 167 | 1 | 26 | 0.353293 | |||||
| 1912 | Philadelphia Athletics | 82 | 281 | 1 | 35 | 0.291815 | |||||
| 1913 | Philadelphia Athletics | 54 | 238 | 1 | 20 | 0.226891 | |||||
| 1914 | Philadelphia Athletics | 46 | 199 | 0 | 19 | 0.231156 | |||||
| 1915 | Philadelphia Athletics | 85 | 312 | 2 | 31 | 0.272436 | |||||
| 1916 | Chicago White Sox | 21 | 101 | 0 | 7 | 0.207921 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1908 | Catcher | 4 | 0 | 16 |
| 1909 | Catcher | 8 | 2 | 26 |
| 1910 | Catcher | 9 | 6 | 88 |
| 1911 | 1st Base | 0 | 0 | 4 |
| 1911 | Catcher | 9 | 8 | 47 |
| 1912 | Catcher | 20 | 10 | 105 |
| 1913 | 1st Base | 0 | 2 | 0 |
| 1913 | Catcher | 14 | 3 | 110 |
| 1914 | Catcher | 10 | 4 | 88 |
| 1915 | 1st Base | 2 | 0 | 3 |
| 1915 | Catcher | 17 | 23 | 115 |
| 1916 | Catcher | 2 | 2 | 41 |