Every NFL season has a host of devastating injuries.
Last year, the Texans' All-Pro defensive end Mario Williams was lost in Week 5 to a torn pectoral muscle and the Chargers' defensive end Luis Castillo was lost for the year in Week 1.
Sometimes a team rises above the adversity, sometimes it's just too much to overcome.
The 2012 campaign has been no different. Here we rank the most devastating injuries of the year.