To earn this Achievement, one of your players must finish the game with a 100% FGM statistic, at least 10/10.
The easy way to earn this Achievement is to crank all the sliders for the player to full and reduce all the CPU sliders to zero. Play a game using a good team (like Florida in the SEC), and focus on one player. Get the ball to your player on each possession and move him in for a slam dunk with the X button (they're usually the easiest to make). Repeat ten times. If you miss a shot, start the process with another player. Once you have a 10-for-10 player, stop taking shots and run the rest of the clock out.