The best thing you can do when evaluating a trade... and the first thing everyone should try to do before even thinking of using any pick value calculator... is try to figure out what your full team is likely to be if you trade and also if you don't trade, and then use your projections to see which is better.You want to plug in the name of the player you think you're most likely to take with the pick. However, you need to know more of your team's roster than that. For example, if you trade Foster for Lynch and a pick you'll use to take Jennings, then some other pick you'd have used on a WR will probably be used to take an earlier QB or TE or the like. So you want to capture all the change in your team that result from the trade, not just limit it to the players who changed sides. Don't use a pick value calculator that approximates value and is ignorant about the effect on the rest of your team when you can figure out the complete answer with just a little thinking.Ok, so that is the best way. But maybe the pick is in a future year where you can't fill in names yet, so the input of such a tool is more valuable and needed. You can still use it in your situation.A simple thing to do would be put your league's setup into Draft Dominator and see where the players in the trade should be taken and convert names to draft picks. So you might have Foster as 1.1, Lynch as 2.3. Then you have at least converted all of the moving pieces into picks that can be entered in the system.It's not as good as the first thing I said. It doesn't account for the rest of the impact on your team of those changes. It also doesn't do anything to account for the fact you are spanning years and whether Foster and Lynch will retain value equally (assuming you're talking keeper league at least). But it does give you a starting point anyway.Hope that helps.