To bulk edit the stats, stat splits, or player information shown in personnel tiles, hover over one personnel tile, select the 3 dot menu and then select settings.
Once you are in the settings menu, check the box next to "Bulk Edit Personnel Tiles". Next, make whatever changes you would like. To change game stat splits, navigate to the games tab. To change stats, navigate to the stats tab. To change player information, navigate to the players tab. Once you have made the changes, click Save Tile in the bottom right corner of the screen.
Once you click Save Tile, your changes will be reflected in the personnel tiles. In the example below, a game split was removed, some stats were removed, and some player information was removed.