The following alternate jerseys can be purchased for 45 points each by going to "Extras" > "Campus Store":

Arizona Wildcats Alternate Jersey (red)
Duke Blue Devils Alternate Jersey (black)
Florida Gators Alternate Jersey (black)
Illinois Fighting Illini Alternate Jersey (orange)
Michigan Wolverines Alternate Jersey (yellow)
Missouri Tigers Alternate Jersey (yellow gold)
Notre Dame Fighting Irish Alternate Jersey (gold)
Oregon Ducks Alternate Jersey (bright yellow)
Pittsburgh Panthers Alternate Jersey (navy blue)

To get easy wins, pause the game and go to the game sliders. Raise the percentage of shots, dunks etc. that you make.

ACHIEVEMENT - HOW TO UNLOCK
Get 20 Steals With Any Team (150 points) - Get 20 steals in one game.
Get 45 Rebounds With Any Team (200 points) - Get 45 rebounds in one game.
Get 6 Blocks With Any Player (150 points) - Get six blocks in one game with the same player.
Make 15 3-Pointers In One Game (250 points) - Get 15 3-pointers in one game.
Score 40 Points With Any Player (250 points) - Score 40 points one game with the same player.