What Is The Best Camera For Shooting Softball Pictures?

I was looking at 4 cameras:
Sony Alpha A350
Nikon D90
Nikon D80
Canon EOS Rebel XSi
And any other cameras you can recommend.

I shoot pictures for a High School Softball team and sometimes I go out and shoot other types of pictures other than sports.

Any of theses cameras will work if you got the right lens to work with it. Something say in the 70-200 F2.8 range