The Majors Pro Baseball (1992)
The Majors Pro Baseball is a baseball video game for Sega Game Gear. It features battery-based save and a Major League Baseball Players Association license. The teams themselves are not licensed and are only listed by city name. This is probably the best baseball game on the Game Gear and it is one of the first ones to come out on the portable system.
Watch gameplay of The Majors Pro Baseball for Game Gear: