You can't buy coins. I recommend buying Stamina and then using it on the Madden Mint event in Madden Today if you're trying to earn more coins.
September - last edited September
Ok. 😂 So what is the boost for? 🤔🤷🏼♂️ You Need to upgrade this one if you want to upgrade the last boost in the league store section. So that‘s lost briefcases.