"As you'd expect, you begin by creating your player. Height and weight play a role in your original rating and how you'll progress over time with some attributes being more affected than others. Once you're done outfitting your player with new shoes (the list of available shoes will grow as you earn popularity and sponsorship deals), arm bands and hairstyles, it's time to play your first game and enter the draft. No matter how you perform in your intro contest, you'll get drafted in the first round. Your first time on the court is more of a tutorial than anything."
Credit to RayDog253, for posting it in another thread.