Switch eBaseball Pro Baseball Spirits 2021: Grand Slam seven-minute trailer Konami-developed baseball game due out on July 8 in Japan. Konami has released a seven-minute trailer for eBaseball Pro Baseball Spirits 2021: Grand Slam. eBaseball Pro Baseball Spirits 2021: Grand Slam is due out for Switch on July 8 in Japan. Read more about the game here and here.Watch the trailer below.
