Green Bay Packers head coach Matt LaFleur was just as floored as everyone else following Andrew Luck's decision to retire on Saturday night, and on Sunday, he spoke of his admiration for the now-former Indianapolis Colts quarterback:

“Yeah, I was shocked. He’s one of the elite players in this game, not only at quarterback but just overall in this game,” LaFleur said, via the Packers' official team website. “I have so much respect for him as a competitor. Meeting him coming out of the draft process, he’s a good human being and a great player and from everything I’ve ever heard about him, he is a great teammate as well. I wish him nothing but the best.”

LaFleur spent 2018 as the offensive coordinator of the Tennessee Titans, so he watched first-hand as Luck and the Colts completed a regular-season sweep of the Titans, including a Week 17 winner-take-all game that decided who would earn the final Wild Card berth in the AFC.

Luck threw a combined six touchdowns in those two games.

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On the season overall, he threw for 4,593 yards, 39 touchdowns, and 15 interceptions while completing 67.3 percent of his passes and posting a passer rating of 98.7 en route to a Pro Bowl appearance.

Just 29 years old, Luck's retirement certainly seemed sudden, but the signal-caller was dealing with persistent calf, and ankle injuries that he said have not progressed this offseason.

Of course, this summer has been far from Luck's first bout with injuries, as he has dealt with issues such as a lacerated spleen and shoulder surgery in the past.

The four-time Pro Bowler ultimately decided that he no longer wanted to continue risking his health to play the game, a game that he said he had lost his passion for.