Jaywood2010 on 20 August 2013
This is a simple answer.
They are some of the biggest games in the industry and you want the biggest slice of the pie for the industry's biggest games. Since it is out of negotiation to secure these games exclusively without giving an arm and a leg they can at least make it the best version to gain a crowd on their console rather than competitors. Something that has worked in the past and will likely continue to work.
FIFA is also one of Europes biggest franchises and MSFT will be looking to gain momentum there early. Call of Duty/Battlefield for America/Europe.
