What constitutes a Tag?

[yawetag]

Originally Posted by johnnyg08

Unlike a catch, a legal tag is based on the status of the ball at the time the runner or base is touched and not on the final proof of possession.

Correct me if I'm wrong, but this isn't 100% correct. If a fielder has clear possession of the ball when the tag is made, but the ball is dropped immediately after the tag, then it's not a tag. However, reading JEA, the status of the ball at the time the runner was touched makes it a tag.