At the time of defensive replacements in a game, I want a bench player to enter into LF, and I want the LF to move to RF. I assume I do this by putting in the bench player as the #1 LF def replacement, and the LF as the #1 RF def replacement. But does the LF also need his Def. Replacement box checked? I ask because I don't want him to ever come out, just to move over (assuming my bench player is available to come in).