Back in 1977, the average television screen was no bigger than Pete Rose's noggin (which, now that I think of it, was actually pretty big). Along came SegaVision with their 50-inch-screen and the home entertainment business was changed. Forever. Enter Steve Garvey, official SegaVision spokesperson:
Why did Sega choose the Dodgers first baseman to promote their enormous TV? Simple, Garvey needed a screen large enough to enjoy television in a room with all his offspring.