"Home Run Records by a Team During a Single Season" according to Baseball Almanac NL mark tying a major league record http://www.baseball-almanac.com/recbooks/rb_hr7.shtml http://www.baseball-almanac.com/recbooks/rb_hr7.shtml major league record Baseball Almanac ”Home Run Records by a Team During a Single Season” http://www.baseball-almanac.com/recbooks/rb_hr7.shtml http://www.baseball-almanac.com/recbooks/rb_hr7.shtml Source "Home Run Records by a Team During a Single Season" ”Home Run Records by a Team During a Single Season”