MLB pitchers might try safety hat liners next year - Article Photos 1/1

FILE - In this Sept. 5, 2012, file phoro, Oakland Athletics pitcher Brandon McCarthy leaves the field with a trainer after being hit in the head by a ball hit by Los Angeles Angels' Erick Aybar during a baseball game in Oakland, Calif. Big league pitchers could experiment with protective hat liners next season, hoping they can absorb the shock of batted balls such as the ones that struck McCarthy and Doug Fister in the head. Major League Baseball medical director Dr. Gary Green presented ideas to executives, physicians and trainers at the winter meetings this week. (AP Photo/Ben Margot, File)