(Portland, OR)  --  The Portland Steel are closing up shop.  According to the Portland Business Journal, the team is folding after only three seasons of existence.  The Steel have not released an official statement to address the report nor has the Arena Football League.  The league itself is in a state of uncertainty.  The Orlando Predators and LA Kiss are ceasing operations, and the Jacksonville Sharks and Arizona Rattlers announced their intentions to move to other leagues.