— Mike Tyson (@MikeTyson) June 4, 2016
— GoldenBoyPromotions (@GoldenBoyBoxing) June 4, 2016
— Bryce Harper (@Bharper3407) June 4, 2016
— John Cena (@JohnCena) June 4, 2016
RIP @MuhammadAli!!! Truly an inspiration and one of my idols🙏🏼
— Shane Victorino (@ShaneVictorino) June 4, 2016
RiP to the one and only Muhammad Ali, simply the best...
Prayers 🙏🏾 up to his family and friends
— Vince Carter (@mrvincecarter15) June 4, 2016
RIP to my favorite athlete of all time 😢 pic.twitter.com/Oinpk1ImgZ
— Michael Carter-Willi (@MCW1) June 4, 2016
— Zach LaVine (@ZachLaVine) June 4, 2016
He was the greatest Muhammad Ali R.I.P.
— Micky Arison (@MickyArison) June 4, 2016
Muhammad Ali. The Greatest. Rest in Peace. pic.twitter.com/Rji6KryXeN
— San Francisco Giants (@SFGiants) June 4, 2016
Mohammad Ali was the first athlete I was truly inspired by. He was a true champion and forever a legend. RIP Muhammad Ali.
— Alex Morgan (@alexmorgan13) June 4, 2016
The greatest. Rest in peace King. My hero. pic.twitter.com/1w3OQYpSYf
— Kyle Williams (@KyleWilliams_10) June 4, 2016
— Russell Wilson (@DangeRussWilson) June 4, 2016
muhammad ali 😢
— Feeno (@ArianFoster) June 4, 2016
— Vontae Davis (@vontaedavis) June 4, 2016
No living athlete inspired as much awe among other athletes as @MuhammadAli. Not Jordan, not Manning, not Gretzky. Simply The Greatest.
— Chris Mannix (@ChrisMannixYS) June 4, 2016
Floyd Mayweather also sent a message to Yahoo Sports following the passing of the all-time boxing legend.
"I am truly saddened to hear that we have lost such a great man. He was truly great inside the ring, but moreso outside the ring because he was a great ambassador for human life and peace. He set an unbelievable example for many generations to come. My heart and prayers go out to his family. It is truly a sad day."
More Muhammad Ali on Yahoo Sports:
• Dan Wetzel: Among legends, Muhammad Ali was 'The Legend'
• Slideshow: Remembering Muhammad Ali
• What made Muhammad Ali a hero to so many?
• Jim Brown once challenged Ali to a fight and it didn't go well for Brown