FILE – In this Nov. 24, 2018, file photo, Purdue head coach Jeff Brohm looks on during the second half of an NCAA college football game against Indiana in Bloomington, Ind. Brohm did not like how his defense performed last season so he shook it up. He fired defensive coordinator Bob Diaco after one season, hired three new assistants and got more involved in the defensive meetings. Now it is time to find out how much has changed.
