5. Houston: Houston was expecting to move on without Brandon Wilson, but the exit of Howard Wilson came as a surprise. Still, the Cougars secondary returns valuable experience despite those two losses. Khalil Williams and Garrett Davis will be the leaders of this group at the safety positions, and will need to find at least one more corner to contribute. Jeremy Winchester appeared to have one spot locked in the spring, but he can’t do it by himself. If 6’4” former receiver Isaiah Johnson is an intriguing option with his combination of size and speed.