Focal length of lens - EF 70-200mm f/2.8L USM zoom

Shutter Speed - 1/1000

What is the effect of shooting at this shutter speed?

By shooting at 1/1000 the image is not blurred.

Aperture- f/2.8

What is the effect (Depth of field) of shooting at this aperture?

The background is out of focus with a larger aperture.

Position - Describe where you think the photographer was standing to get this shot.

The photographer was most likely on the sidelines close to the end zone.