By Craig Boland NEFJ Staff GREENWICH — With 3:50 left in the fourth quarter and Greenwich holding on to a 16-14 lead, linebacker Justin Carrol picked off a pass from St. Joseph quarterback Martin Broz and took it 20 yards the other way for a touchdown. Julian Ravina hit the extra point, putting Greenwich up 23-14. They held the lead for the final few minutes to move to 6-1 on……