In one of the tweets, Rosenthal said that the White Sox were offered a "king's ransom" for Sale within the last 48 hours and they flat out said no. If a king's ransom won't even get consideration, then Sale is not being moved for any package that we would be willing to part with.
I get Moon's desire to build the rotation from the top, but IMO, the top of our rotation looks pretty good. When factoring in cost, adding a non-PED version of someone like Santana makes more sense to me.