Nikkan Sports Pro Yakyuu VAN (日刊スポーツプロ野球ＶＡＮ) is a Sega Mega Drive cartridge developed and released by Sega exclusively in Japan. It uses the Sega Mega Modem and a subscription VAN service to display game action in real time, and to save games for later viewing. As such, it cannot be properly emulated yet. Nikkan Sports provided the service under the VAN name.