Former NFL quarterback Andrew Luck has insisted he still has zero regrets about choosing to walk away from football at the age of 29.The Pro Bowl passer, now 37, stunned the NFL back in August 2019 when he walked away from the league after just seven seasons with the Indianapolis Colts. Luck’s retirement ended what was a promising NFL career. The former No. 1 overall pick was chosen to replace Colts icon Peyton Manning and led them to the playoffs in his first three seasons, including the AFC Championship game in 2014.But injuries began to plague his career and he stunned reporters by announcing his retirement in an impromptu press conference just before the 2019 season started.It’s estimated that, by deciding to retire, Luck has since missed out on around $400 million in potential earnings as an NFL quarterback.But he is now the general manager of the Stanford Cardinal football program, where he played college football, and insists he has no regrets about his decision. Former NFL quarterback Andrew Luck has insisted he still has no regrets about retiring at 29 The Pro Bowl passer, pictured with wife Nicole, stunned the NFL back in 2019 when he retired’No regrets, and not to say I did things perfectly by any stretch of the imagination,’ Luck told Yahoo Sports Daily.’I learned a bunch from both the successful moments and the low moments of playing as a professional quarterback and for the Colts. But I think, life keeps moving forward. ‘Thankful for the opportunities I had and I also feel full of purpose and passion as the general manager of Stanford football.’I love this school, I love this program, there’s a real mission we’re on. I love working with these young men. I love our coaching staff.’I’m right where I’m supposed to be. I have an amazing wife and two amazing daughters. Life keeps throwing wonderful pleasant gifts along the way.’Luck has been touted for a bombshell return to the NFL several times in the past when big-name quarterbacks have gone down with an injury.Most recently was with his beloved Colts last season when starter Daniel Jones was ruled out and veteran Philip Rivers came back as an emergency starter.Luck revealed he did not get a call from Colts general manager Chris Ballard, who was with the team when he decided to walk away. Luck, seen with daughter Lucy, is now the general manager of Stanford Cardinal football It’s estimated that Luck has missed out on around $400 million in earnings after retiring early’I have an amazing relationship with Chris Ballard, the GM of the Colts, amazing,’ Luck added.’I consider him a mentor of mine, we have been through some “ish” together and come out the other side and have a stronger relationship, so no. We are on the same page there.’Luck added he was at a 49ers game when Rivers made his highly-anticipated comeback and watched the Colts play the Seahawks on his iPhone.’Like 99.9 per cent of America, I was fascinated by Philip coming back and playing, and playing at a high level, and doing it as a grandfather,’ Luck said.