Seattle Seahawks coach Pete Carroll, left, greets 49ers coach Kyle Shanahan after a game last season. The teams, which meet Sunday in Seattle, have been polar opposites in recent years.
Seattle Seahawks coach Pete Carroll, left, greets 49ers coach Kyle Shanahan after a game last season. The teams, which meet Sunday in Seattle, have been polar opposites in recent years. John Froschauer AP file
Seattle Seahawks coach Pete Carroll, left, greets 49ers coach Kyle Shanahan after a game last season. The teams, which meet Sunday in Seattle, have been polar opposites in recent years. John Froschauer AP file