Red Sox catcher David Ross is no ordinary backup

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DETROIT — Once the concussion symptoms stopped, David Ross could see clearly again.

The Red Sox catcher had been a mess at the plate. He couldn’t focus. He was concussed twice, missing about 78 days of playing time, and it was looking as though his season — and maybe his career — would be lost. But things started to improve with the exercises he performed to improve his clarity.

Now the Sox have the catcher they thought they were getting when they signed Ross as a free agent in the offseason. He was one of seven tremendous pickups by general manager Ben Cherington. On the field, he’s as tough as nails.

After the Sox locked up their free-agents, one National League talent evaluator thought the who would have the biggest impact would be Ross because of the great work he does with a pitching staff.

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