Luck retires, calls decision 'hardest of my life' - ESPN
Andrew Luck finally reveals why he walked away from the NFL - ESPN
Andrew Luck and Other Top NFL Players Who Retired Too Early, News, Scores, Highlights, Stats, and Rumors
Andrew Luck: Breaking News, Rumors & Highlights
What Happened to Andrew Luck? Go Inside His Rise and Retirement, Behind the Story
What Happened to Andrew Luck? Go Inside His Rise and Retirement, Behind the Story
Carson Wentz and Andrew Luck have followed strangely similar career paths – Philly Sports
Players, coaches, execs discuss a nearly impossible job
The story behind Andrew Luck's retirement and the reaction to the news - The Athletic
Andrew Luck Got Wise, but Fans Weren't Keeping Up - The Atlantic
Transcript of Andrew Luck's retirement news conference - ESPN - Indianapolis Colts Blog- ESPN
Andrew Luck shocks at revealing the sad reason he retired from the NFL