Amazon.com Inc.’s streaming coverage of the NFL’s Black Friday game between the champion Kansas City Chiefs and the Las Vegas Raiders drew an audience of 13.5 million viewers, a 41% increase from the company’s first such broadcast last year.

The NFL started a new schedule tradition last season with the first "Black Friday" game that will be streamed exclusively on Amazon Prime Video. The game will be streamed for free as part of a Black Friday "deal" presented by Amazon,

As the Las Vegas Raiders and Kansas City Chiefs meet for the NFL's "Black Friday" clash, memories from their most recent holiday matchup still linger. The Raiders' 20-14 upset win on Christmas was more than a surprise -- it was a pivotal moment that reshaped the Chiefs' road to the Super Bowl.