What is the maximum amount a T-Mobile Little League Call Up Grant can be awarded for? October 26, 2022 15:56 Grants will be awarded up to $150 based on registration fees associated with the child’s league. Related articles What is the status of my application? How will I receive the funds to pay my registration fees? When will I receive my funds? Does each child in the same family need a separate T-Mobile Little League Call Up Grant application? How old does my child have to be to qualify for a T-Mobile Little League Call Up Grant?