Purchase packs of players from the Shop using the coins earned from matches. You can also purchase them with FIFA Points, the game's premium currency. Complete the milestones listed on the "Accomplishments" screen. Most milestones will reward you with new players. Use the Transfer Market to see which players are being auctioned by other users. Either pay the "Buy Now" price to get the player immediately or place a bid, Use the Player Exchange to trade unwanted players or items for random rewards.