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.
Texans ILB Brian Cushing revealed that he played part of the 2014 season with a fractured wrist. Perhaps this helps explain a poor year for Cushing, who ranked 45th among 60 qualifying inside linebackers in PFF's run-defense grades. PFF charted Cushing with 12 missed tackles, 11th most at his position.