FILE - In this Dec. 18, 2016, file photo, Indianapolis Colts quarterback Andrew Luck speaks to the media following an NFL football game against the Minnesota Vikings, in Minneapolis. Luck isn’t sure when he’ll start throwing again and won’t set a timetable for his return from shoulder surgery. Players and coaches held their first official team activities Monday, April 17, 2017, at the team complex, and for the first time Luck acknowledged that his injury problems began during a Week 3 contest at Tennessee in 2015.(AP Photo/Andy Clayton-King, File)