Go into “Ultimate Team”, press
to get into the “Play” tab, now choose “Division Rivals”. To reach Milestone 3 you just have to play 90 matches in Division Rivals. On the left side of the Division Rivals menu, you will see “Season XX”, here you can watch your progress towards the milestones. You have to reach Milestone 3 in one season or else the progress will reset. Each season lasts one and a half months.