More information:

http://www.poe-news.com/stories.php?poeurlid=72107

The kid behind it should receive extra credit for that. He probably learned more real-life job skills doing that prank than he will in his whole time in high school.

Yale did it in '04 using the exact same words and about twice as many people. The Yale one didn't turn out as legible, though.
http://www.youtube.com/watch?v=dQ99ScGdQv0

This kid cites the Yale one as his inspiration.

Ah, the classics of the ivy league.

Hell, the only reason anyone ever went to high school sporting events was to be a dick to the other side.

This is the kind of story your dad tells you he did in high school, and you think it's made-up bullshit.

I approve of this kid.

If I didn't already know what the message said I doubt I'd be able to read it from across the field. Hint: black on white stands out more than white on black.

Nice prank. Anyone know where the music is from?