Originally Posted by mrduna01
You should be fine. Open them up and hit them with oxyclean for a couple days and see what they look like. I have no experience with this but that's my guess.
Unless you want to take a bath in stale beer, dont push the ball down with it upright, lay the keg on its side first, there are youtube videos on how to dismantle a keg, give a few a watch and procede from there.