Carson Palmer helplessly watched the Carolina Panthers force the Arizona Cardinals and their third-string quarterback into the worst offensive performance in playoff history last January. It was a dark moment for the injured Palmer, whose competitive drive once led him to threaten retirement if he wasn't traded from a team he didn't feel could contend. Sunday night's NFC Championship game will be the first-ever meeting between Heisman Trophy-winning quarterbacks in the playoffs, with the winner carrying his franchise to its second Super Bowl appearance. More...