Edit Edit. (and then I'm over it.)

Okay,

The Land Before Time did have a commercial on it. And it was a Pizza Hut commercial. But not the one that uses "Right Field."

http://youtube.com/watch?v=5G7IdhjBkrk

Now, Teenage Mutant Ninja Turtles has a Pizza Hut commercial on it also, and it's the one we're after, featuring the Peter, Paul, and Mary tune.

http://youtube.com/watch?v=ex2DJnvyFsI&mode=related&search=

Man, my memory did some weird things to remember this crap. Thank God the internet was there to straighten this shit out for me.

...
Baseball.