You pick the players, it gives you the best lineup. Only problem is that you have to select nine players, and pitchers aren't included, so it's making you pick a DH. That said, here is the lineup it generated for me:
It says that this lineup will have a RC/27 of 5.6
This is the Cal Ripkin Jr. of typos.
If you ask me to join your fantasy baseball league and I select Legolas in the first round, don't be angry at me. It's not my fault I've read up on the players and you haven't.