LATROBE, Pennsylvania (AP) – The Pittsburgh Steelers and coach Mike Tomlin have agreed on a one-year contract extension that will run through the 2021 season. The club announced the deal as players arrived at Saint Vincent College for the start of Tomlin’s 13th training camp with the team. Tomlin is 126-66-1 since replacing Bill Cowher in 2007. He has led the Steelers to a pair of Super Bowl appearances – winning one – while capturing six AFC North titles and eight playoff berths overall