Andrew Luck may begin the season on the PUP list

CBS’ Jason La Canfora writes that he’s heard “plenty of rumblings” about Indianapolis Colts QB Andrew Luck starting the season on the physically unable to perform list (shoulder). Backup QB Scott Tolzien would likely start the year if Luck is unable.
Luck graded as the fourth-best quarterback in 2016, earning an elite grade of 91.6. It was a 39.4 point increase, the highest of any starting quarterback, from Luck’s 2015 season where he earned a grade of just 52.2. Showing off his ability to throw deep last season, only QB Ben Roethlisberger (13) had more touchdowns on deep passes than Luck (11).
Tolzien has 253 career snaps under his belt, with his only start in the last three seasons coming in week 12 last season against the Steelers. During the 2016 preseason though, he demonstrated an ability to be accurate while under pressure, leading all quarterbacks with a 92.3 adjusted completion percentage (min. 50 drop backs).