There's no real difference between the TOTS players from the card packs and earned TOTS players, so it's time to grind through the game to get your new players before the campaign is up! But if you need any help with that, you can find EA Sports FC boosting services on MMOexp to ease the grind!
FC 25 coins serve as a virtual currency within the game. Players can use FC 25 coins to buy in-game items such as player packs, consumables, and other virtual. so you can buy FC FUT Coins at mmoexp.com