Unless this is a higher level game that I remember how they use CR, I don't remember which CR goes with F1/F2. And I don't want to pull out lineups to check every time they are used. On the back of left hand I have written (see below). I have a felt tipped marker in my ballbag and write the number of CRs on my hand as they come in. And all I need to do is look at the back of my hand to verify that CRs are done legally. DC is for the inning number where a defensive conference was used.
_____H___V
P___21___8
C __12___22
DC___3___6
_____4
_____5
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