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... would definately be a plus to any pitcher, and with most it is an absolute requirement. If a pitcher displays the ability to get batters out while utilizing just two pitches then that pitcher really shouldn't be held back for the purpose of developing a third. Pineda WILL develope a viable changeup within the next year or two (I bet this is at the top of his list of things to do this off-season), and when it is ready he could step up into elite status among MLB pitchers.
Lonnie