Thanks for the replies, everyone! It’s still a mystery for me because I have always played with a DM, the same player is with me for 3 seasons but this season is the first time I have seen a player (any player) getting so many yellow cards.
I get your point now. You should know that players in T11 do have bad season. Especially if they are good players, some good strikers score less and give more assists. I think it also applies to defenders and midfielders.