Steelers lineman Alex Highsmith details team meeting in which Mike Tomlin stepped down: 'We were all in shock' The Steelers were shocked to hear long-time coach Mike Tomlin was leaving the franchise. Content Original Link: https://sports.yahoo.com/nfl/article/steelers-lineman-alex-highsmith-details-team-meeting-in-which-mike-tomlin-stepped-down-we-were-all-in-shock-134729656.html