It appears that Colts quarterback Andrew Luck has called it a career.

According to multiple reports from top NFL insiders, Luck has retired from the league after seven seasons.

According to Schefter, Luck is “mentally worn down” and is "done with football." An official press conference is expected on Sunday. The news sent shockwaves through the sports world and beyond being that Luck is only 29 years old. Luck was the No. 1 overall pick in the 2012 draft and has missed most of camp with an ankle injury, but no one saw this move coming.

Some are already calling it the most shocking retirement of all time.

We'll keep you updated on this story as more information comes in.

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