NBA 2K7
50 Achievements
1000
Xbox 360
3 Ranked Win Streak
This was achieved by winning 3 ranked games in a row online.
15
How to unlock the 3 Ranked Win Streak achievement in NBA 2K7 - Definitive Guide
Efford
TrueAchievements
TrueAchievements
This achievement is now unobtainable since the online servers have been shut down. I would suggest you should stay away from this game if you are a completionist, as you cannot receive the full 1000.
Fonkey, Monkey
Just make sure and get three ranked wins in a row on your way to getting all of the online achievements.