Adrian Peterson and the Minnesota Vikings travel to San Francisco to take on Colin Kaepernick and the 49ers on 'Sunday Night Football'

NBC Sports Live Extra to live stream Vikings-49ers on NBCSports.com

Adrian Peterson and the Minnesota Vikings travel to Candlestick Park in San Francisco this weekend to take on Colin Kaepernick and the defending NFC Champion San Francisco 49ers in a "Sunday Night Football" preseason matchup. Coverage begins at 8 p.m. ET on NBC.

Calling Vikings-49ers is seven-time Emmy Award-winner Al Michaels (play-by-play), in his 28th season as the voice of the NFL's premier primetime package; 14-time Emmy Award-winner Cris Collinsworth, who has won the Emmy for Outstanding Event Analyst in each of his four seasons in the "Sunday Night Football" booth; and Emmy Award-winning sideline reporter Michele Tafoya.

In addition to the "SNF" broadcast on NBC, NBC Sports Group's NFL coverage also includes digital content and social media extensions that are available online.

NBC Sports Live Extra

For the sixth consecutive season, the entire "SNF" schedule will be streamed live online. NBC Sports Live Extra, NBC Sports Group's live streaming product for desktops, mobile devices and tablets, will stream all "SNF" games televised on NBC.

The video stream will come directly from NBC's broadcast of "SNF," and will include additional camera angles and interactive features.

NBC Sports Live Extra employs a full HD-quality player, which includes a draggable picture-in-picture feature for any of the online-only cameras, plus full DVR functionality, allowing the user to pause, scroll back-and-forth, and review plays in slo-motion.

For desktops, NBC Sports Live Extra can be accessed at www.NBCSports.com/liveextra.

2013 'Sunday Night Football'

NBC will broadcast 19 primetime NFL games during the 2013 season, highlighted by Peyton Manning and the Denver Broncos hosting the Super Bowl Champion Baltimore Ravens on NFL Kickoff 2013 on Thursday, Sept. 5; a classic NFC East rivalry as the Dallas Cowboys host the New York Giants in the opening "Sunday Night Football" game on Sept. 8; Manning returning home to Indianapolis to take on Andrew Luck and the Colts; and NBC's annual Thanksgiving night game, featuring the heated AFC North rivalry Pittsburgh Steelers vs. Baltimore Ravens.

*Flex Week

**Thanksgiving Night Game

Fans can follow "Sunday Night Football" on Twitter @SNFonNBC, and follow "NBC SportsTalk" on Twitter @NBCSportsTalk, as well as become a fan of "Sunday Night Football" on Facebook at:

Facebook.com/SNFonNBC. Visit "SNF All-Access" at http://snfallaccess.nbcsports.com/