Mike Marshall's Pitching Method

[kyleb]

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In the yahoo article it mentions Marshall smiling when he watches Roger Clemens pronate his forearm during his fastball motion. Roger is currently 44 and healthy, could this be one of the reasons? Has anyone noticed this aspect of Clemens' motion?

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To get this back on track, yes, pronation of the arm helps take the load off his ulnar collateral ligament and distribute it more effectively over the arm's surface in general.