Jerry Rice became the NFL’s all-time receiving leader by treating every day like he had something to prove. But to reach that level of greatness, players need a coach who refuses to let them believe otherwise. For former Tampa Bay Buccaneers defensive tackle Warren Sapp, that coach was Rod Marinelli, who recently revealed how he managed Sapp during his tenure.

“That’s the challenge, too. And I knew that going in with him. One is knowledge. You’ve got to know what you want from him. Explain it to him to a T, then hold him accountable to it,” Marinelli said on Coach2Coach with Jason Garrett. “And he was smart. First of all, he would buy all that stuff. But he was really smart. And then it was a repetition. And I always use the same phrase: it’s never good enough. It’s never good enough.

“I just wore him down. You know, man, it was a good rush. The step wasn’t right. This wasn’t right. And he responded to that. And it comes down to knowing your job as a coach. Exactly. Because he would eat you alive if you didn’t know what you were doing or you compromised. You can’t compromise.”

Warren Sapp and Rod Marinelli were together at the Tampa Bay Buccaneers for 8 years, and their tenure together spanned from 1996 through 2003.

When Marinelli arrived at Tampa Bay, Sapp was already a second-year defensive tackle who started only eight games out of 16 games played in his rookie year. The moment he arrived, he completely shifted the culture by ending easy days and introducing a hyper-detailed approach to training.

As revealed from day one, Marinelli took a psychological approach of never letting Sapp become satisfied. Even if Sapp executed a dominant pass rush, Marinelli would ignore the flashiness and drill him on tiny imperfections.

In terms of tackles, Warren Sapp’s breakout performance came just two years after Rod Marinelli’s inclusion in the Buccaneers as the defensive line coach.

During his Pro Football Hall of Fame induction media lead-up, Sapp particularly stated that Marinelli was the coach who molded him into a man and a monster on the football field. Time and again, Sapp has credited Marinelli as the driving force behind his success.

“Rod Marinelli had a challenge for me every day because I love the game,” Sapp said on the Dan Patrick Show in 2013. “I remember, walking after 1999 Defensive Player of the Year, the 116 championship game and all of that, I walked in with my chest stuck out. He looked at me and said, ‘Let’s see if your play can catch up with your athletic ability.’ I said, ‘What does that mean?’ He said, ‘What can you do athletically?’ I said, ‘Almost anything.’ He said, ‘Well, there you go, so I set myself up.

“So I had come back with 16 and a half [sacks]. He was everything, and then Dungy just gave me a path and a vision that was beyond anything that I had ever even thought of. I mean, he was telling me chase Joe Greene. Chase 10-4-2, which was 10 straight Pro Bowls, two Defensive Player of the Year awards, and four World Championships.”

However, their eight-season tenure together came to an end in March 2004, when Warren Sapp left the Tampa Bay Buccaneers after signing a lucrative seven-year, $36.6 million contract with the Oakland Raiders.

Sapp spent four seasons with the Raiders before announcing his retirement in 2008. By the end of his career, he racked up 578 total tackles and 96.5 sacks in 198 career games.