For this achievement you need to play a game against the team of the week on Ultimate team. You can play this match on any difficulty and you do not have to win. You can challenge the team of the week by viewing the team from the UT home page then clicking
, You now choose the difficulty and start the game. What ever the score finishes your achievement will pop at the end of the game.
If you would like a video guide for this I will leave mine below.