Cross Field Zig Zag Lines
What a great drill to have players catch and pick up ground balls at different angles and at different distances. This is also a great drill for when you are vastly outnumbered as a coach as you can have many balls going at once.
You can even incorporate ground balls as well.
This can be done on a full field to really work on those longer passes. If need be it can be modified to half field.
You can also integrate ground balls as appropriate for your team.