Hearts boss Derek McInnes revealed that Celtic first-team coach Mark Fotheringham phoned him to apologise for riling him during last Sunday’s 2-2 draw between the William Hill Premiership title rivals. “It was just one of their inexperienced coaches who got a bit carried away,” McInnes said after the match. “That’s all I’ve got to say on it.”It subsequently emerged that former Huddersfield boss Fotheringham was the source of McInnes’ anger. “I’ve been up against loads of different dugouts over the years and loads of Celtic teams and I was really annoyed with the reaction. “But in fairness to Mark, he’s not a boy I know too well, but I know people that know him.