Update: Colts Chuck Pagano says Andrew Luck is questionable for Sunday's game.
Chuck Pagano says Luck was limited today at practice. Asked if he remains supremely confident Luck plays Sunday, Pagano says "absolutely."
— Zak Keefer (@zkeefer) October 2, 2015
Earlier: Andrew Luck was nowhere to be seen Friday morning during the Indianapolis Colts' final practice of the week.
For the first time in his NFL career, Luck's availability for a game is in question, and the Indianapolis Colts, for the first time since the disastrous 2011 season, face an uncertainty at the quarterback position.