That soul-crushing loss by the Red Sox on the last game of the season this year might have been just another game had this been in effect a little earlier: Major League Baseball is adding two-wild card teams to the playoffs, maybe next year but by 2013 at the latest, reports USA Today. That means a total of 10 teams will qualify. Another change announced by commissioner Bud Selig: Houston will switch to the American League in 2013, giving the AL and NL 15 teams apiece. Click for more. (More Major League Baseball stories.)