No online, no new physics engine like on 360/PS3, no "Ultimate Team" feature.
http://kotaku.com/5931895/gimped-madden-on-wii-u-doesnt-speak-well-of-eas-relationship-with-nintendo
http://kotaku.com/5931895/gimped-madden-on-wii-u-doesnt-speak-well-of-eas-relationship-with-nintendo