The Ryan Day era is progressing rapidly, and as Dwayne Haskins announces his exit, Coach Day is bringing in new coaches to put his stamp on the football staff.
Oklahoma State beat writer Mark Cooper of the Tulsa World gives his insight on new Ohio State passing game coordinator Mike Yurcich's time with the Cowboys.
New Ohio State co-defensive coordinator Jeff Hafley has experience at Pittsburgh and Rutgers and in the NFL, including one year with Ryan Day with the San Francisco 49ers.
Greg Mattison brings 47 seasons of coaching experience to Ohio State, including 18 seasons as a defensive coordinator or co-defensive coordinator in the NFL and collegiate levels.
Larry Johnson is sticking around on Ryan Day's inaugural staff. He was promoted to associate head coach, along with his duties as defensive line coach.
