Unfortunately for Cardinals fans, the same demons that have haunted this team for the last three seasons are haunting them again in 2013. According to the analysts at Pro Football Focus, Arizona’s offensive line is the worst pass-blocking unit in the NFL, and quarterback Carson Palmer is the 22nd-best signal-caller in the league. Source: SB Nation markaz's Take: Deja vu all over again. Amazing how a skilled QB like Kurt Warner can mask the deliquencies of a terrible O-Line. Palmer cannot.
