It looks good because it shows that you have interests that you are able to balance with your academic load. Don't forget that there are things that look way better on your application than sports.
Volunteer
Work for congress
Science Fairs (contests & such)
Academic Awards
Go to college
football in college
Softball
Varsity Athletics.
Tennisp
Football
No because you have to get drafted from college. Actually - you can't because once you get paid, you cannot play for the NCAA - this applies for NCAA colleges only...I assume.
football.
yes you can
Volleyball
Baseball, yo..
Baseball