Nothing earth shattering, but one rule having to do with game ending HR's might affect some totals.
http://mlb.mlb.com/news/press_relea...ent_id=1804407&vkey=pr_mlb&fext=.jsp&c_id=mlb
http://mlb.mlb.com/news/press_relea...ent_id=1804407&vkey=pr_mlb&fext=.jsp&c_id=mlb