Game Breakers Auction

Hey guys appologize in advance if it’s a stupid question but I can’t seem to auction any of the game breaker cards. For example I was able to get two Tavares 88 game breakers . One of them is on my team the other is a duplicate but it’s nowhere to be found for me to auction it. I don’t understand how others are able to auction this card and I can’t . I just want to get rid of the duplicate and get something else. Am I missing something? Thank you very much