DirectTV is not required.
"Exclusive to Amazon.com, the Madden NFL 25 Anniversary Edition combines all the innovation and authenticity of Madden NFL 25, a 17 week Madden Ultimate Team pack subscription, and exclusive offers for DirecTV and NFL Sunday Ticket. Each Anniversary Edition includes a special code for eligible gamers giving them the opportunity to unlock a special, 2013 regular season (17 weeks) trial of NFL Sunday Ticket on computer, tablet, and mobile devices. For fans who are able to receive DirecTV service, a special promo code will be included entitling them to an exclusive promotion, including $10 off per month for their first year of service, and one year of NFL Sunday Ticket Max at no additional charge."
"With NFL Sunday Ticket, fans will be able to enjoy every minute of every NFL game each Sunday afternoon throughout the entire 2013 regular season and get highlights delivered instantly from their computer, tablet, or mobile devices."