What should the Cubs ask for in return for Matt Garza?

Despite Theo Epstein's comments that Matt Garza is "exactly (the) type of pitcher we want to build around", it appears that, with the Cubs planning to go through a complete rebuilding, the Cubs are willing to listen to offers for their "ace".David Kaplan recently reported that the trade talks are heating up, with Toronto, Boston and the Yankees interested.� Jon Paul Morosi also reported today that the Tigers have emerged as potential suitors for Garza.�
With Garza one on the best starting pitchers remaining on the block and the Cubs apparently targeting young starting pitching in return, what can we expect the Cubs to get in exchange for Garza?
First, its hard to see the Red Sox making a serious push for Garza, as they have already traded away some of their minor league depth in acquiring Mark Melancon from the Astros and Andrew Bailey from the A's.� So, it probably comes down to the Blue Jays, Tigers and Yankees as the most likely suitors.�
Second, ...

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Indianapolis Colts Lenny Wilkens