You get one free transfer a week. if you don't use it, you can roll it over and have TWO free transfers. It never goes higher than TWO, though. You can put your subs in the order that they will be used, in the event one of you starters doesn't play. It will automatically substitute for your unplayed players. Once a season, you can do unlimited transfers for one week. There a few "one time" bonus thingies you can use throughout the season. THey are under your team lineup. Don't forget to "comfirm" transfers once you make them or it won't save.