1.   Obstruction fouls are being called throughout the playoffs.

2.   The NHL also might use two referees, instead of one, to further discourage obstruction fouls, particularly those behind the play and away from the puck.

3.   The new crackdown against obstruction fouls has already had a dramatic impact on scoring.

4.   Then there is the crackdown on obstruction fouls that seems to favor smaller, quicker teams like Ottawa over bigger, slower teams like the Devils.

5.   Using two referees could help detect obstruction fouls behind the play while extending careers of veteran referees who become more experienced but less athletic with age.

6.   Where once referees turned a blind eye to such obstruction fouls only in the third period and overtime, they now seem to do it throughout the entire game.

7.   With referees cracking down on obstruction fouls this season, can Tikkanen still play his disruptive role?