The Pro Yakyuu '91 [Model G-3207]
Emulated in MAME !
[HANDHELD] Sega Game Gear Game
The Pro Yakyuu '91 © 1991 Sega Enterprises, Limited.
* Play Against M-Team: During the team select screen, select any team. When the cursor to define your rival starts to move, enter the sequence (Right,Left)x4. The cursor will disappear after selecting your rival and you will face the M-Team.