Please define the following interface of the GDD more.
5.1 does there need to be security questions or some type of second level authentication? does a conformation email need to be send?
6.1.1, 7.1.1, 15.1.1, 20.1.1, 23.1.1, 24.1.1, and 25.1.1 are descriptions and are not functional requirements. Functional requirement describe what things it must or should do.
8.1.1 and 9.1.1 in what way? Grid, list, etc? Should things be grouped a specific way?
10.1 do other things also need to be displayed? Like balance? Are previously purchased gear still displayed or removed gear options?
10.1 what type of payments option must be accepted?
11.1.1 may be out of scope. Are you sure that recent purchases should not be it's own screen?
11.1 should a confirmation email, text, etc be sent?
13.1 how are players/teams ranked? What makes a team? How are teams formed?
14.1.1 What options?
18.1.1 what options should the menu have?
18.1.3 and 19.1.1 What types of stats should be shown? How should these stats function?