The three most populous metropolitan areas in the U.S., by far, are the New York, Los Angeles and Chicago areas. The smallest of the three, the Chicago metro area, had a 2012 population estimated at about 9.5 million people, about 40% more than that in the fourth largest metro area, the Dallas/Forth Worth/Arlington area.
These three giant metro areas have been continuously represented by a total of six major league franchises since 1962. Over that time, these six jumbo-market teams have, looked at collectively, been relatively successful, especially in recent years. The six teams as a group have not had a collective winning percentage below .500 in any full regular season since 1999, and have been collectively over .500 in 34 of the 51 seasons from and including 1962 through and including 2012. Their best years as a group have been 2008, when the six franchises produced a collective .564 winning percentage, followed by 1985 (.558), and 1998 (.554). More after the jump. Continue reading