It’s been eight years since Mike Denbrock went to training camp with Notre Dame. The last time he coached the Fighting Irish, he was Brian Kelly’s assistant head coach and worked with wide receivers in 2016 before leaving for Cincinnati. Now, after five seasons with the Bearcats and two alongside Kelly at LSU, Denbrock is back in South Bend to take over an offense in need of a jolt. With Riley Leonard in at quarterback via the transfer portal and some newcomers at receiver, the pieces are in place for Notre Dame to take a step forward. As for what the Fighting Irish’s identity will be, Denbroc…