N.H.L. coaches have grown gun-shy since the opening week of the playoffs, with only one coach's challenge issued in 17 games, compared with 13 challenges in the first 30 postseason games.
N.H.L. coaches have grown gun-shy since the opening week of the playoffs, with only one coach's challenge issued in 17 games, compared with 13 challenges in the first 30 postseason games.