MLB institutes 7-day DL for concussions
MINNEAPOLIS -- A seven-day disabled list for concussions wouldn't have done Aaron Hill much good when the Toronto Blue Jays second baseman missed the final four months of 2008 with the injury.
That didn't stop him from saying the move, and several other guidelines instituted by Major League Baseball on Tuesday, was another positive sign the sport is doing more and more to address concussions.
MLB and the players' union announced a new set of protocols that take effect on opening day ...
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