1. For salsa, in a large bowl, combine the first eight ingredients; refrigerate until serving. Combine the brown sugar, pepper sauce, garlic powder, salt and pepper; rub over both sides of chicken.
2. Moisten a paper towel with cooking oil; using long-handled tongs, lightly coat the grill rack. Grill chicken, covered, over medium heat or broil 4 in. from the heat for 4-7 minutes on each side or until a thermometer reads 170°. Serve with salsa. Yield: 4 servings.