Madden NFL 18 Review - GameSpot
Madden NFL 24 - Wikipedia
GameSpot Reviews - Madden NFL 11 Video Review
IGN Reviews - Madden NFL 12: Game Review
Madden NFL 11 - Wikipedia
Madden NFL 13 sells 900,000 in 24 hours - CNET
Madden NFL 08 - Wikipedia
NCAA Football 12 - GameSpot