Originally Posted by MS2SB
Basic food safety, keeping it in the sink for a long time will have it sitting in the danger zone for bacteria to grow. Keeping it in the fridge doesn't slow the thaw time much and is a lot safer.
I'll agree with everything except the thaw time. I've had stuff in the fridge for 4 or 5 days that won't have thawed, and it would thaw overnight in the sink or on the counter. I try to not do that any more than I have to, though