- Game Face (1971)
- Game of Inches (1929)
- Games Behind (1872)
- Game-Winning RBI (1950)
- Gap Hitter (1972)
- Garrison Finish (1889)
- Give Him the Gate (1913)
- Glove and a Prayer (1905)
- Go-Ahead Run (1946)
- Go Down Looking (1933)
- Go Down on Strikes (1882)
- Go Down Swinging (1917)
- Golden Sombrero (1979)
- Go North with the Team (1899)
- Gopher Ball (1930)
- Grand Old Game (1874)
- Grand Slam (1909)
- Grandstand (1868)
- Grandstand Play (1881)
- Grandstand Player (1885)
- Grapefruit League (1923)
- Grass Cutter (1867)
- Great American Game (1866)
- Great Experiment (1945)
- Greatest Living Player (1951)
- Greenberg’s Public Gardens / Greenberg Gardens (1935/1947)
- green light (1937/1952)
- Green Monster (1955)
- ground-ball pitcher (1957)
- ground-rule double (1902)
- ground rules (1878)
- groundskeeper (1887)
- Guess Hitter (1921)