Yankees' concerns begin with Sabathia 

September, 4, 2012
9/04/12
8:05
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CC SabathiaChristopher Pasatieri/Getty ImagesCC Sabathia has always been there for the Yankees, and they need him more than ever now.
There is a significant difference between being a front-line pitcher and being the ace of a staff, as longtime Oriole Mike Flanagan once explained. There is an extra accountability factor because an ace embraces the responsibility of leading a rotation, absorbs innings to give relief to the relievers and rescues his teammates from losing streaks.