Mojito-Marinated Chicken Breasts

Name: Mojito-Marinated Chicken Breasts
Yield: 6 Servings
Ingredients: 3/4 cup fresh lime juice; 1/2 cup plus 2 tablespoons light rum; 1/2 cup finely chopped fresh mint; 6 tablespoons mint syrup; 1 tablespoon vegetable oil; 1 tablespoon coarse kosher salt; 6 chicken breast halves with skin and bones (about 5 pounds); 3 large limes, quartered lengthwise; Fresh mint sprigs