YouTube reported a Nielsen-measured audience of 16.2 million viewers of its broadcast of the second game of the NFL season last Friday.

The AFC West showdown between the Kansas City Chiefs and Los Angeles Chargers in Brazil, which took place in Sao Paulo, kicked off the league's International Series for the 2025 season.

The Google-owned YouTube also estimated global viewership at 1.1 million, bringing the total figure to approximately 17.3 million.

ESPN was among other networks which disputed the reported figures because Nielsen used a "custom methodology" for Chargers-Chiefs, which would lend itself to an unfair comparison to other networks. Moreover, since February, Nielsen is using out-of-home viewing in its calculus, which will reflect higher numbers than in previous years.

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