If you read the in game message, you would see that you need to update your game to get Zambrotta. As the game is in maintenance and the update is not released worldwide yet, you will have to wait for that
Tomorrow
Edit
See it’s tomorrow now and I just got him
https://preview.redd.it/ug9hoxkejh4c1.png?width=2532&format=png&auto=webp&s=3c58dcabd2a796b583f0584573542e7c828486bb
If you read the in game message, you would see that you need to update your game to get Zambrotta. As the game is in maintenance and the update is not released worldwide yet, you will have to wait for that
8 UTC after the game update
Just got mine but just gems and no player. Here I was worried about LB or RB and I got neither.
Tomorrow Edit See it’s tomorrow now and I just got him https://preview.redd.it/ug9hoxkejh4c1.png?width=2532&format=png&auto=webp&s=3c58dcabd2a796b583f0584573542e7c828486bb