Major League Baseball ROM Download for Nintendo (NES) on Emulator Games. Play Major League Baseball game that is available in the United States of America (USA) version only on this website. Major League Baseball is a Nintendo emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Kunio Kun No Nekketsu Soccer League [T-Eng1.1 Pentarouzero], RBI Baseball and Little League Baseball - Championship Series as shown below. Major League Baseball works on all your devices in high quality.