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Aaron Donald, unquestionably one for the greatest NFL defensive players of all time, is calling it quits.
On March 15, the pass rusher announced his retirement after 10 years with the Los Angeles Rams.
During his decade-long career, the defensive tackle was named to the Pro Bowl every season. He was a three-time Defensive Player of the Year, a Super Bowl champion and an eight-time All Pro. He is a surefire first-ballot Hall of Famer.
Following his announcement, many flocked to #99's Instagram to post goat emojis, indicating he's the "greatest of all time."
Click through to see how NFL and entertainment stars are reacting to the retirement news…
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"Loved being on the field with you, more so when we were wearing the same jersey! The best to ever do it! Happy for you and Ready to see what you do next!" —Matthew Stafford
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"Congrats champ. We can finally burn one down Gold jacket awaits." —Snoop Dogg
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"Congrats Bro!!! Helluva ride Champ!" —LeBron James
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"One of the greatest to ever play the game. Period. Congratulations @aarondonald99 One hell of a career." —JJ Watt
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"You Did it Big brother congrats on a great career on the football field. Now on to the next… #supersalute" —Cedric the Entertainer
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"Chills. Can't believe I'll be watching football without you on that field. You definitely set the bar high for the generation behind you. Miss you and @ericadonald99 already. We love y'all so much and know the future is bright! Hell, maybe I'll get Matthew to retire and we can do it together!" —Kelly Stafford
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"[Aaron] is truly one of one… I will forever cherish the memories we've made and will always be grateful for how he poured everything into this game and into our team." —Rams Coach Sean McVay
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"Congrats on one HELL of a run and it was a joy to watch you play football" —Pat McAfee
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"Aaron Donald CHANGED THE GAME as a 10x Pro Bowler, 8x 1st team All Pro, 3x Defensive Player of the Year and Super Bowl Champion. He made offenses CHANGE THEIR ENTIRE BLOCKING SCHEMES to stop him in the run and pass game. On the biggest stage, his signature moment showed us why." —Robert Griffin III
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"1 of 1" —Puka Nacua
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"DAMN CONGRATS WAS A PLEASURE TO WATCH! aye teach me that knife s*** u be doing" —Bow Wow
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Derrick Henry posted goat emojis on Aaron Donald's Instagram.
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"Congratulations [goat] … damn it was an honor" –Jalen Ramsey
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"Put him in the hall now. No need to wait" —Brandin Cooks
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"Thank God" —Kyler Murray wrote alongside several laughing emojis
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"Congrats my brother! Glad I was a witness" —Robert Woods
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"set the standard 10+ years!! appreciate ya big dawg" —Kyren Williams
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"Congrats big dawg, Greatest to ever do it!" —DeForest Buckner
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"Legend" —Gable Steveson
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"Definition of DOMINANT. Congrats on an amazing career" —Eric Dickerson
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"My dawg!!!! Welcome to the other side !!!" —Fletcher Cox