Trading tutorial strategy
First, you need to get three identical players. If you get three identical players, there is no other way but to draw players.
Event boxes, standard agents, and scouts may all offer the same. Then you can trade,
The specific method is: click on My Team, and then there is a human icon in the upper right corner. Click on it to see all your players, then click on the transaction below and select the three players you want to change, and finally confirm.