Zach Greinke has proved that he is capable of pitching a full run lower than the league average—in the American league.
He is not just a good arm like AJ Burnett
He is not just an NL proved pitcher like Peavy and Sabathia (I know he won the CY Young in 2007, but he was bad with the Indians recently)
He is not old like Lowe.
He is not in a permanent state of injury like Sheets.
No, Zach Greinke is none of those. He is a young pitcher who could contend for the triple crown with the Yankees offense behind him.
I wonder what the Royals demand?