| Rube Geyer | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 26 March 1884 |
| Birth Place: | Allegheny, Pennsylvania |
| Death Place: | Wahkon, Minnesota |
| Debutleague: | MLB |
| Debutdate: | April 24 |
| Debutyear: | 1910 |
| Debutteam: | St. Louis Cardinals |
| Finalleague: | MLB |
| Finaldate: | September 4 |
| Finalyear: | 1913 |
| Finalteam: | St. Louis Cardinals |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 17–26 |
| Stat2label: | Earned run average |
| Stat2value: | 3.67 |
| Stat3label: | Strikeouts |
| Stat3value: | 133 |
| Teams: |
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Jacob Bowman "Rube" Geyer (March 26, 1884 – October 12, 1962) was a Major League Baseball pitcher who played for the St. Louis Cardinals from 1910 to 1913.[1] His key pitch was the drop ball.[2]