The roles of a blitzer on a human team with suggested builds and the relevant skill choices.
Catchers have a couple of different tactical uses on the Human team, read descriptions and skill choices here.
Human Linemen do the grunt work for the team, getting in the way, getting hit and tying up hard hitting players. Find out which skills suit them best.
The Ogre is the big guy on the Human team, providing them with some extra muscle on the pitch. Find out the best skills to give him.
There are two common builds for Human Throwers, read this for the descriptions and skill choices.