McInnes and O'Neill keeping cool as Premiership title race catches fire

Celtic and their veteran manager have been here before. O'Neill, who has won three league titles with the club, has guided the defending champions from the wreckage of Wilfried Nancy's brief tenure to a position that looked unlikely as recently as the start of April. Defeat at Tannadice before the international break left them five points behind with seven matches to play, but five straight wins since have narrowed the gap to one. …