Unlike previous Madden NFL Mobile games you can now view the Pack probabilites in NFL Overdrive marketplace for most Packs by simply tapping 'More Pack Info'. This feature will display the Pack probabilities by OVR and rarity and any cateogory listed as 100% will give you a guaranteed return when you purchase the pack. It is also here that you will be able to see the probabilities for Packs that advertise specific promotions.