Major League Baseball plans to eliminate home plate collisions, possibly as soon as next season but no later than by 2015.FILE - In this May 25, 2011, file photo, San Francisco Giants catcher Buster Posey (28) is helped from the field after a home plate collision with Florida Marlins' Scott Cousins during the 12th inning of a baseball game in San Francisco. New York Mets general manager Sandy Alderson, chairman of the rules committee, announced Wednesday, Dec. 11, 2013, that Major League Baseball plans to eliminate home plate collisions. He said player health and increased awareness of concussions were behind the decision.FILE - In this Sept. 27, 2006, file photo, Oakland Athletics' Dan Johnson, left, collides with Seattle Mariners' Kenji Johjima at home plate but was out on the play as Johjima held onto the ball in the ninth inning of a baseball game at Safeco Field in Seattle. New York Mets general manager Sandy Alderson, chairman of the rules committee, announced Wednesday, Dec. 11, 2013, that Major League Baseball plans to eliminate home plate collisions. He said player health and increased awareness of concussions were behind the decision.FILE - In this Sept. 27, 2006, file...