Potential for a big mess....

[MD Longhorn]

Originally Posted by youngump

Really? And what if you're not sure? I doubt you'd really just refuse to make a call on a checked swing. In my mind some calls are best guess if you're not sure, blocked out on a pitch perhaps. And others where you need to be sure, illegal pitch. The key difference usually being that in many cases you have to make some call.

You don't have to be SURE that it was a swing... you have to be SURE that you didn't see a swing. If you saw one, it's a strike. If you are not positive you saw a swing, then you are SURE that you didn't see a swing, and rule no swing.