Panthers re-sign Hangartner, who could start right away

Guard Geoff Hangartner left the Panthers for the Bills in 2009.  Two seasons into his Buffalo tenure, Hangartner got the boot. Steve Reed of CarolinaGrowl.com reports that Hangartner is back with the Panthers, and that he could start this week against the Cardinals, due to injuries to Geoff Schwartz and Garry Williams. Hangartner and newly-signed…