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10/09/09 5:06 PM ET

TBS enjoying postseason boom

Viewership up 15 percent after first two days of play

TBS has enjoyed a boom in viewership in the first two days of the Major League Baseball Division Series, with ratings up 15 percent over the first two days of last year's playoffs, based on numbers released by Nielsen Media Research.

The network averaged a 3.1 U.S. household rating over the first two days of the playoffs, which is a 15 percent increase in total viewers from last year. The League Division Series averaged 3.5 million households in the first two days, marking the best two-day average for the start of the Division Series since 2005.

Beginning with Tuesday's tiebreaker between the Minnesota Twins and Detroit Tigers, TBS had its three most-watched primetime nights of the year. TBS saw its most significant growth from last year in the 18-34-year-old adult demographic, which saw a 17 percent bump from 2008.

Game 2 between the Colorado Rockies and Philadelphia Phillies produced a 15.2 rating in Philadelphia and 9.2 in the Denver market. The second game of the St. Louis Cardinals-Los Angeles Dodgers series delivered an 18.3 rating in St. Louis and 6.5 rating in Los Angeles. And Thursday's Game 1 between the Boston Red Sox and Los Angeles Angels had a 13.2 rating in Boston and 8.0 in Los Angeles.

Brian McTaggart is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.