The Arizona Diamondbacks are willing to listen to trade offers on anyone this winter, including first baseman Paul Goldschmidt and starting pitcher Zack Greinke. However, one rival thinks a Goldschmidt trade would be remote. Another rival thought the Diamondbacks would have to pay roughly one-third of Greinke's $34 million salary to trade him. Arizona will have to consider a mini rebuild with outfielder A.J. Pollock and starting pitching Patrick Corbin expected to depart in free agency. Gold[...]