Cellulose nitrate base film is relatively unstable. If you store it in large quantities of about 5,000 feet or more and in non approved storage cabinets without proper ventilation, it becomes a fire hazard.
The Ohio State University has over 400 linebackers in the NFL, some of which also start as QBs because they are considered too valuable to play just LB.
The skinny: Florida has produced just one first-round linebacker in our time frame -- Huey Richardson, who was a bust. But the Gators have produced a number of guys who have had/are having productive NFL careers.