WDAY: The News Leader

Published June 26, 2013, 01:15 PM

Was first curveball thrown 2 million years ago?

NEW YORK (AP) — It's a big year for throwing. The greatest closer in baseball history, Mariano Rivera of the Yankees, is retiring. Aroldis Chapman, the overpowering Cincinnati Reds reliever, continues to fire fastballs beyond 100 mph.

By: MALCOLM RITTER,AP Science Writer, Associated Press

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