Under the squads section in ultimate team you will see Manager Tasks. Follow everything on the list and by the end of it you get yourself a trophy and a gold pack for your troubles.

A lot of these tasks are really simple but I will include a list of what needs to be done. Sometimes when you hover over the tasks you want to complete there should be a button which takes you to that area of the game to do so.Make sure you click the button to it to make everything a lot easier.
 

Change club name	Fairly simple you should press the button to take you to the page, change your name to what you want and that's one task done.
Play your first Match in a Tournament	Really simple, enter a tournament and finish one match.
Play one Seasons match	Complete a match in Online Season or Single Player Season.
Buy and item from the Transfer Market	Go to the transfer Marker and use the 'Buy Now' option to buy any item
List a Player in the Transfer Market	List any Player in the Transfer Market
Challenge the Team of the Week	Complete a match against any team in the Team of the Week Challenge Mode. (Helps towards  I Could Do This Every Week
Apply a Contract Item	Apply any level Contract Item to any Player in your club.
Apply a Fitness Item	Apply any level Fitness Item to any Player in your Club.
Apply a Chemistry Style Iteam	Apply any Chemistry Style item to any player in your Club.
Change your Club Kit	Change your Club's Home or Away Kit.
Change your Club Ball	Change your Club's Ball
Change your Club Crest	Change your Club's Crest.
Change your Club Stadium	Change your Club's Stadium.