Robinson Cano was only supposed to hear the jeers and boos cascading from the spectators when he was playing on the road. Hearing them at Safeco Field after strikeouts and weak grounders was not envisioned when he signed a $240 million, 10-year contract with the Seattle Mariners. Cano's unexpected struggles at the plate are just the tip of one of the biggest underachievers in baseball to date. More...