No runners on:
2nd covers 1st
SS covers 2nd
3rd covers 3rd

Second option:
1st baseman stays back
to cover bag.
2nd covers 2nd
3rd covers 3rd

Runner on 1st:
2nd covers 1st
SS covers 2nd
Catcher will cover 3rd
if 3rd baseman
fields bunt
3rd baseman has to cover
3rd if they don't field
the bunt

Second option:
1st baseman covers 1st
2nd covers 2nd
SS covers 3rd

Runners on 2nd or 1st and 2nd:
2nd covers 1st
Center covers 2nd
SS covers 3rd

Runner on 3rd:
2nd covers 1st
Center covers 2nd
SS covers 3rd

Runners at 1st & 3rd:
1st covers 1st
2nd covers 2nd
SS covers 3rd

Second option:
2nd covers 1st
Center covers 2nd
SS covers 3rd


Important reminder: how you set up and will depend on the score, the runners, and who the defenders are!