Andrew Luck's former teammate Matt Hasselbeck reacts to Luck's NFL retirement announcement. Hasselbeck explains that Colts fans booing Luck as he exited the field at Indianapolis' preseason game vs. the Chicago Bears is disappointing and describes how Luck was one of the toughest competitors he ever played with. ✔ Subscribe to ESPN+ https://plus.espn.com/ ✔ Get the ESPN App: http://www.espn.com/espn/apps/espn ✔ Subscribe to ESPN on YouTube: http://es.pn/SUBSCRIBEtoYOUTUBE ✔ Subscribe to ESPN FC on YouTube: http://bit.ly/SUBSCRIBEtoESPNFC ✔ Subscribe to NBA on ESPN on YouTube: http://bit.ly/SUBSCRIBEtoNBAonESPN ✔ Watch ESPN on YouTube TV: http://es.pn/YouTubeTV Exclusive interviews with Rachel Nichols https://urlzs.com/jNURe Stephen A. Smith on ESPN https://urlzs.com/W19Tz ESPN on Social Media: ► Follow on Twitter: http://www.twitter.com/espn ► Like on Facebook: http://www.facebook.com/espn ► Follow on Instagram: www.instagram.com/f/espn Visit ESPN on YouTube to get up-to-the-minute sports news coverage, scores, highlights and commentary for NFL, NHL, MLB, NBA, College Football, NCAA Basketball, soccer and more. More on ESPN.com: http://www.espn.com