In a large bowl, combine the first 6 ingredients. Add beef and sausage; mix lightly but thoroughly. Shape into two a 6x4-in. loaves.
Prepare grill for indirect heat. Grill loaves, covered, over indirect medium heat for 20 minutes.
Meanwhile, in a small bowl, combine glaze ingredients. Brush top and sides of loaves with glaze. Grill until a thermometer reads 160°, another 10-15 minutes. Let stand for 10 minutes before slicing.
