Missing players and player bought to my team but not by me.

Something strange happened yesterday. 
My tradable cards Kimmich, Paredes, Rüdiger, Bruno Fernandes and Tonali was gone from my squad when I started the companion app. 
Kimmich, Paredes and Rudiger was packed by me and the other two was bought on the market. 
The strangest thing was that a new Kimmich card was in my squad that had 4 previous owners (my Kimmich card was packed by me, so no previous owners) and it was bought for 49k, (15k above market price) not by me… 
I don’t know how this happened. 
The other cards don’t show up in the recover quick sold items either and I have not listed them on the market.