Why did Andrew Luck retire? Colts QB's decision to end NFL career, explained Unknown 17:18 Andrew Luck was stuck in a cycle full of pain, and he needed to get out of it. Here is more on why the Indianapolis quarterback decided to retire at age 29. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsTroy Aikman: Cowboys won't miss 2017 Dez Bryant 'at all'NASCAR at Indianapolis: Kasey Kahne seeking answers to dehydration issues that sidelined him2018 Fantasy Football Running Back Handcuffs ChartWeather may have impacted Thursday Night Football ratings dropWhat is the UEFA Nations League? Groups, fixtures, results & how it works explainedFellow Nike athlete Tiger Woods says ad featuring Colin Kaepernick was 'a beautiful spot'
