Infield Fly Rule

[pob14]

Originally Posted by Centerfield9

My interpretation of the MLB rule is that the batted ball is treated like a caught flyball whether the ball is caught or not, so the runners must "retouch" their base before advancing. ASA rules could be different but I cannot find it in the book.

The important part of the rule you quoted, and the reason your interpretation is incorrect, is the words "the same as on any fly ball." Do the runners have to retouch on any other fly ball, if it's touched but not caught? No? Well, the IFF works "the same as on any fly ball."