Steelers coach Mike Tomlin shoots down USC coaching rumors in epic rant: 'That's a joke to me' | CBS Sports Headlines Steelers coach Mike Tomlin shoots down USC coaching rumors in epic rant: 'That's a joke to me' USC fired coach Clay Helton in September shortly after the 2021 season … Continue reading Steelers coach Mike Tomlin shoots down USC coaching rumors in epic rant: 'That's a joke to me'