Alex Rodriguez cofounded Jump, a startup aiming to modernize the fan experience. With four teams currently clients, its annual revenue is less than $10 million, but that represents a fraction of the opportunity at hand. (Photo: Michael Prince for Forbes) https://t.co/WbFwdnozf1 https://t.co/mkr6d1407j ...

Alex Rodriguez cofounded Jump, a startup aiming to modernize the fan experience. With four teams currently clients, its annual revenue is less than $10 million, but that represents a fraction of the opportunity at hand. (Photo: Michael Prince for Forbes) https://t.co/dMQyRg7dMU https://t.co/xPu1MhUiRd ...

Alex Rodriguez cofounded Jump, a startup aiming to modernize the fan experience. With four teams currently clients, its annual revenue is less than $10 million, but that represents a fraction of the opportunity at hand. (Photo: Michael Prince for Forbes) https://t.co/xgYO2Mo0uf https://t.co/iaHX1rEL77 ...

Alex Rodriguez cofounded Jump, a startup aiming to modernize the fan experience. With four teams currently clients, its annual revenue is less than $10 million, but that represents a fraction of the opportunity at hand. (Photo: Michael Prince for Forbes) https://t.co/qvZZYgKiC9 https://t.co/IwkdHCT7Cf ...