What Mids fans need to know as Navy attempts to turn a 1-3 start into a bowl-eligible season. Who, where, when: Florida Atlantic (2-6, 1-4 Sun Belt Conference) at Navy (5-3), Saturday, 3:30 p.m. TV: CBS Sports Network (Grant Boone and Todd Christensen have the call). Gambling is illegal in most states: Navy is a 16.5-point favorite. Why?: FAU’s rushing defense ranks 98th in the country, allowing 201 yards a game. While some of that damage was done in nonconference blowout losses to Georgia and Alabama, the rest came mostly at the hands of the Sun Belt, where FAU’s 1-4…