David Bergman took this shot during game one of the world series.
It's amazing how sharp it is when you zoom in.
http://mlb.mlb.com/mlb/ps/y2009/gigapan.jsp

Shot with a D700 200-400. Here's David Bergmans site.
http://www.davidbergman.net/blog/2009/10/29/i-photographed-almost-every-single-person-at-yankee-stadium-last-night/

That's pretty amazing...

I zoomed in and saw the top half of a person standing and the bottom half
standing about 5 rows down.

It is an amazing picture though.