| Position | Pitcher |
|---|---|
| Bats | Right |
| Throws | Right |
| Birth date | October 24, 1907 |
| Birth place | Denver, Colorado, U.S. |
| Death date | June 25, 1968 (aged 60) |
| Death place | Denver, Colorado, U.S. |
| Debutleague | MLB |
| Debutdate | August 21 |
| Debutyear | 1931 |
| Debutteam | Chicago White Sox |
| Finalleague | MLB |
| Finaldate | August 14 |
| Finalyear | 1932 |
| Finalteam | Chicago White Sox |
| Statleague | MLB |
| Stat1label | Win–loss record |
| Stat1value | 0–1 |
| Stat2label | Earned run average |
| Stat2value | 6.91 |
| Stat3label | Strikeouts |
| Stat3value | 17 |
| Teams |
Grant Tierney Bowler (October 24, 1907 – June 25, 1968) was an American professional baseball pitcher who played for the Chicago White Sox of Major League Baseball in and .