Big Ten football coach salary rankings: Jim Harbaugh or Ryan Day No. 1?

Ranking Big Ten head coaching salaries in 2019

Salary rankings: Ohio State's Ryan Day among top 5 highest-paid football coaches - Columbus Business First

Ranking Ryan Day among Big Ten head coaching salaries

How the Salary of Ohio State's Ryan Day Compares to Other NCAA Football Coaches - Sports Illustrated Ohio State Buckeyes News, Analysis and More

Big Ten football: Ranking all 14 head coaches ahead of the 2022 season, per CBS Sports

For Jim Harbaugh and other coaches, big wins equal big money - Chicago Sun-Times

Jim Harbaugh press conference, Michigan vs. Ohio State week

Farrell Ranks the Big Ten Coaches - Mike Farrell Sports

Big Ten football copaching salaries ranked for 2023

Salaries for all college football coaches in the Power Five - Los Angeles Times