Shown on ABC from 8-11:45 p.m. Monday night, the match's national rating dipped to 3.6 with a 6 share, down from a 4.6 and an 8 share last year when Woods and Ernie Els played Mickelson and Sergio Garcia.
The overnight rating, which measures the 55 largest TV markets in the United States covering nearly 70 percent of the country, was 4.2 with a 7 share, down from last year's 4.8 with an 8 share.
The rating is the percentage of all homes with TVs, whether or not they are in use.
The ratings have been sliding since 2000 when the telecast posted its best numbers, a 7.6 rating and a 13 share nationally and 8.6 with a 14 share in the overnights, for the match between Woods and Garcia. The joint venture of ABC and IMG is under contract for one more year.
Woods and Hank Kuehne won the 'Battles at the Bridges,' defeating Mickelson and John Daly 2 and 1.
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