If it is a normal fly ball, you want to run hard and breakdown (this is for a right hand thrower) with your left foot slightly in front, right foot back and you field the ball either side of your head if you're more comfortable fielding it off to the right side above your head, both hands up, fingers pointing up and hands. If you're more comfortable fielding it on your throwing arm side, left side over your head that is fine. There are two schools of thought on that. I have some guys who like to get in the habit of fielding on the throwing arm side because they need to throw a guy out on the side by sliding and get the ball out of their glove quicker. If a guy is more comfortable on his left side, I let him field on his left side.
