I have had them crack in the fingers, like from finger hole to pin and then all the way around and also along the logo from separation of the logo and the rest of the cover.
I'm actually using the first VIP limited edition ball that was heading toward a bad crack from a separation around the logo. My proshop guy drilled out the small area and plugged it and it's as good as new. So, if you catch it on a ball that can't be replaced before the crack spreads, it can be repaired.