count the run?

[SC Ump]

Originally posted by jggilliam
...so first baseman tags runner coming back to bag.
...if R3 was to cross the plate before R1 is tagged, would the run count?

Tagging the runner or tagging the base on this play would make no difference to the status of the runner from third. Either way, it is a timing play as others have mentioned.

This is an appeal that the runner left early on a caught fly ball. It is not a force play.