| Buck Gladmon | |
| Position: | Third baseman |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | November 1863 |
| Birth Place: | Washington, D.C. |
| Death Place: | Washington, D.C. |
| Debutleague: | MLB |
| Debutdate: | July 7 |
| Debutyear: | 1883 |
| Debutteam: | Philadelphia Quakers |
| Finalleague: | MLB |
| Finaldate: | July 17 |
| Finalyear: | 1886 |
| Finalteam: | Washington Nationals |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .147 |
| Stat2label: | Home runs |
| Stat2value: | 2 |
| Stat3label: | Runs batted in |
| Stat3value: | 15 |
| Teams: | |
James Henry Gladmon (1863–1890) was a Major League Baseball third baseman in the National League and American Association. He died from peritonitis at age 26. [1]