The following are the sizes required for items in the game.
Logos should be sized to 300x300
Player and coach photos are now 260x190 and now contain jersey or clothing overlays. The jerseys or other clothing images should be the same size.
2D Jersey Icons
Jersey icons for use in the 2D display should be 50x50
Courts are 1018x640
Templates for creating roster or draft class mods are available at this link in our forums.