Can Frozen chicken go right in a crock pot?

My husband bought this box of frozen chicken (boneless) . I like dark mean normally. So I want to get through them quickly, Anyway, I thought if we could throw a few in a crock put & put some baby carrots, peas & small cut up potatoes it would be a way to have a good meal. Do I need to thaw them out first though? Thank you & any ideas, advice, etc. is appreciated.