Player and press/media interaction. To be honest. I wouldn't mind it gone completely. It was added to add immersion but because it's so repetitive and tedious, it actually takes away from the immersion.
Player interactions are the absolute worst. I must have a player mutiny every week about something absolutely ridiculous. End/pre season team talks too. I think we can finish top half *your team is outraged
Better graphics. I know it's aimed at all hardware, but there are mobile phone games that look better. I actually play 2D version because again, it takes away from the immersion with clunky animations and floaty graphics.
Realistic AI bids. My player just scored 40 league goals and was the highest rated and top scored in the champions League. All the biggest clubs in Europe are after him. AI offers 2.4 million.....
Better AI. All aspects need improving. Squad building especially. Some clubs still buy a player for £40m and never player him in 5 years and release him on a free.
Better facilities management. I don't want to have to build adequate facilities, then average, then good, then top etc. If I have the money and stature I should be able to build top facilities straight away instead of incremental increases