Steelers will begin search for successor immediately Bill Cowher, who led the Steelers to 10 playoff appearances, eight division titles and the fifth Super Bowl title in franchise history, will announce his resignation today after 15 seasons as head coach, sources have told the Post-Gazette. Cowher and his wife, Kaye, are scheduled to fly to Pittsburgh this morning to attend a 1 p.m. news conference at the team's South Side facility and announce the decision that has been expected for several weeks, if not longer -- that he will resign, at age 49, to spend more time with his family....