| Software list: | Nintendo Entertainment System cartridges (nes) |
|---|---|
| Short name: | mleagueb1 |
| Year: | 1988 |
| Publisher: | LJN |
| Parent: | Major League Baseball (USA, rev. A) |
| Supported: | Yes |
| release: | 198804xx |
| serial: | NES-BS-USA |
| Short name: | cart |
|---|---|
| Interface: | nes_cart |
| mirroring: | vertical |
| pcb: | NES-CNROM |
| slot: | cnrom |