Yankees prospect Jasson Dominguez says he wants to reach MLB by time he's 21 | CBS Sports Headlines Yankees prospect Jasson Dominguez says he wants to reach MLB by time he's 21 Dominguez, 19, and other prospects are in spring training despite the MLB lockout ESN FeedsThis post was originally … Continue reading Yankees prospect Jasson Dominguez says he wants to reach MLB by time he's 21