lol...a shorter list would be things 2K5 doesn't have that Madden 09 does.
1. John Madden
2. chris collinsworth
3. The robot guy (I honestly can't remember the announcer's name)
4. shallow franchise mode
5. a majority of goofy animations
6. weak presentation
Jokes aside, I think it's a lot of little things that would seriously become too numerous to mention. to make it simple I'll toss in franchise and presentation depth (incredible how superior 2K5 is in presentation) and ability to make for realistic gameplay that can still be challenging. That's a start, I suppose.