Mechanics

[SAump]

Coach has a small bone to pick. I can only guess it is there to keeps us on our toes. Different mechanic with R1 and R2.

{Edited to delete: Now if it were any other manual, PBUC for example,} I believe an alternative would have the BU takes the first play in the infield. PU then stays home for possible play at the plate and partner should take the play into 3B; while also glancing back at B/R's touch at 1B and continuation to 2B. This is the CCABUM mechanic on a clean hit to the outfield with R1 and R2 described on page 82.

Then to keep us on our toes again, a similar mechanic to the one you described is used on a caught fly ball to center field with R1 and R2 found on page 83. Nothing is said about a fly ball to left but I suppose it is the same mechanic and these two mechanics change on a fly ball to right.