Dump ground turkey, and breadcrumbs into a large mixing bowl, Set aside.
In a small bowl, beat the eggs lightly with a fork until combined. Add to turkey and breadcrumbs.
Mix all three together until well combined.
Using your hands, make golf ball sized meatballs, set on a baking tray lined with aluminum foil. Repeat until the tray is filled, or mixture is all used.
Bake meatballs at 350 until done.
The Sauce
All into a small saucepan, bring to a boil, stirring well.
Reduce heat and simmer until meatballs come out of the over, and have had time to rest.
The Greens
Toss washed greens together with EVOO, salt, and pepper. Set aside.
Compiling the Sandwiches
Slice mozzarella and set to the side.
Toss meatballs in the sauce until well and fully coated.
Slice bread of choice, and start compiling.
Greens first, meatballs next, top with mozzarella and back into the oven they go.
Broil sandwiches until cheese is melty and bubbly.
If you've opted to go the panini route, replace broil with the panini press, and you're good to go.