Doyle, who served as the head strength and conditioning coach at the University of Iowa from 1999 to 2019, agreed to step down from his position with the Hawkeyes in June amid allegations of racism and bullying.
According to Lorenzo Reyes of USA Today, multiple Black former Iowa players alleged that Doyle said he would "send them back to the ghetto" if they didn't perform up to his expectations and that he was critical of the way they wore their hair.
The Husch Blackwell law firm conducted an investigation into the state of the Iowa football program in 2020. While it mostly cleared head coach Kirk Ferentz of any wrongdoing, it came to the following conclusion: "In sum, the program's rules perpetuated racial or cultural biases and diminished the value of cultural diversity. The program over-monitored players to the point that they experienced heightened anxiety and maintained a culture that allowed a small group of coaches to demean players."
As part of Doyle's departure from Iowa, he did not admit to any wrongdoing. He also denied allegations from former players, tweeting: "I do not make racists comments and I don't tolerate people who do."
Per ESPN's Adam Schefter, new Jaguars head coach Urban Meyer expressed his belief that the hiring of Doyle won't create any issues:
Doyle will be part of the staff under Meyer, who came out of retirement to take the job in Jacksonville.
Meyer was previously the head coach at the University of Florida and Ohio State, winning three national championships during that time.
Doyle was named the Big Ten Strength Coach of the Year in 1999, and he was part of a Hawkeyes program that won a pair of Big Ten titles and played in 16 bowl games during his tenure.