The Rockies would prefer to deal infielder Garrett Atkins, but will listen to trade offers for outfielder Matt Holliday this winter. Colorado appears to be looking to improve their starting pitcher this offseason. "It's going to be interesting to see what happens," Holliday has said repeatedly. Holliday, who will be a free agent after next season, is monitoring the trade speculation. He turned down a multiyear contract offer last spring, and there has been no progress on a new deal since