Kavika Fonua’s BYU teammates call him ‘gramps’ because he’s 24, but he’s their starting middle linebacker

(Rick Egan | Tribune file photo) Brigham Young running back Kavika Fonua makes a catch for the Cougars, as Utah Utes linebacker Kavika Luafatasaga defends in football action BYU vs Utah, at Lavell Edwards Stadium in Provo on September 9, 2017.