FILE- In this Jan. 3, 2010, file photo, Arizona Cardinals quarterback Brian St. Pierre (2) drops back to pass against the Green Bay Packers during the second half on an NFL football game in Glendale, Ariz. St. Pierre has thrown five passes in eight NFL seasons. On Sunday, he'll start for the Carolina Panthers, who signed him to the practice squad last week. He was promoted to the 53-man roster on Tuesday, after injuries to QBs Matt Moore and Jimmy Clausen.(AP Photo/Paul Connors, File)