Late Friday night, legendary boxer Muhammad Ali died at the age of 74 after a three-decade long battle with Parkinson's disease. "The Greatest," as he was known, had as much impact in the political and racial arena as he did in the ring. He also had unmatched confidence and determination to be the best, something coaches across all sports relate to and try to pass on to their players.

It's understandable, then, that multiple college coaches, current and former, took to Twitter following Ali's passing to send their thoughts.

Louisville coach Bobby Petrino

Florida coach Jim McElwain

Oklahoma Coach Bob Stoops

Former Louisville and current Texas Coach Charlie Strong

Ohio State coach Urban Meyer

Former Kentucky coach Rich Brooks

Oklahoma State coach Mike Gundy

Miami defensive coordinator Manny Diaz

And while Alabama head coach Nick Saban doesn't have a Twitter account, he still expressed his feelings about Ali on ESPN Radio's Dari & Mel:

"You have to have respect for the commitment and the things he believed in that really changed the world," Saban said ( via Coaching Search). "There's a lot of great athletes, but there's not many that do that and use their notoriety in being a champion to affect the world in a lot of positive ways."

Ali's influence can be seen and felt in many ways, but his drive and competitiveness were among his more memorable qualities.

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Muhammad Ali left a lasting impact on many coaches. Getty Images