how can i do this

[Wind From West]

I asked same question and got this:

To answer some questions:



There are a couple of reasons why we limit substitutions on offence. One is that this is a data driven game. We don't have much data on most WR running out of the backfield. The other reason is that in our initial testing some players found some unrealistic formations that gave unexpected advantages. Limiting where skill players can be lined up solved both problems.