| Abbreviation | Definition |
|---|---|
| EMBL | East Metro Baseball League |
| EP | Extra Player |
| EPBA | Eden Prairie Baseball Association |
| EPBC | Evergreen Park Baseball Club |
| EPBL | Empire Professional Baseball League |
| ER | Earned Run(s) |
| ERA | Earned Run Average |
| ERR | Error |
| ESBA | East Side Baseball Association |
| ESBL | Empire State Baseball League |
| ESLB | European Super League Baseball |
| ETBA | East Toronto Baseball Association |
| EYB | Eastmont Youth Baseball |
| EYB | Elmhurst Youth Baseball |
| EYB | Escondido Youth Baseball |
| F | Fly out |
| FAAB | Free Agent Acquisition Budget |
| FAPB | Federation of American Professional Baseball |
| FB | Fantasy Baseball |
| FBH | Florida Baseball Heaven |