Tiger Woods PGA Tour 11

For this achievement, all you have to do is play in any size TeamPlay Online match. To do this, follow these steps:

--From the Main Menu, go to "Xbox Live."
--Then go to "Online Matchmaking" and a new menu will pop up giving you 4 options: Ranked Quick Match Search, Custom Match Search, Play a Friend, and Invite Xbox Live Party.
--With "Ranked Quick Match Search" highlighted, push the "X Button" and select the game mode "Team Play"(one click to the left) and hit the search button.
--Once you found a room, just wait a bit for the room to fill up to the required amount of people in order for the timer to begin counting down(4 people were in my room when I got the achievement). Then just play the round.

Achievement Unlocks as soon as the round begins.