The staff is almost entirely intact at TCU. There were a couple changes in coaching the secondary, mostly positive ones, and their inside wide receivers coach left to be OC at Oklahoma State, but nothing major changed here. OFFENSE TCU’s offense needs to replace seven starters from an offense that finished top 20 in both SP+ and FEI. Although they have a strong core on the offensive line returning and one of the better quarterbacks in college football at the helm, there is work to be done in rep…