1Spray 3 1/2- to 4-quart slow cooker with cooking spray. Place turkey in slow cooker. In small bowl, mix teriyaki glaze, marmalade, gingerroot and garlic. Spoon mixture over turkey, turning as necessary to coat.
2Cover; cook on Low heat setting 9 to 10 hours.
3Remove turkey from slow cooker. Remove and discard bones; shred or cut turkey into pieces. Cover to keep warm.
4In 2-cup microwavable measuring cup, mix water and cornstarch until smooth. Pour liquid from slow cooker into cornstarch mixture; mix well. Microwave on High 1 to 2 minutes, stirring once halfway through cooking, until mixture boils and thickens slightly. Divide turkey evenly among roll bottoms; spoon sauce over turkey. Cover with roll tops.