I would choose shorter faster glass, over long slow glass any day.
An 80 200 f2.8 would be my lens of choice. You are not going to cover the fast action at the other end of the field unless you have some very expensive optics.
What lenses and camera gear do you have now ?
"Photography to the amateur is recreation, to the professional it is work, and hard work too, no matter how pleasurable it may be."
( Total NIKON bigot )