The first big televised day of March Madness drew the highest ratings for the tournament in 20 years.
The games, which were broadcast on CBS, TNT, TruTV and TBS, drew a combined 5.7 overnight rating--the highest since 1991. The ratings were also up 24% from the 2010 broadcast. CBS drew 9.6 million viewers for the prime time broadcasts, giving it a wide lead in the network ratings.
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