The Islanders were without their top defenseman, and they had lost three straight games.

The Sens have some good young players as well as the top scoring defenseman in the league.

Potvin, who scored 1,126 points in 1,060 games, was voted the league's top defenseman three times.

He won the Norris Trophy as the league's top defenseman in 1983 and 1984.

Buffalo, however, could be without a top defenseman Friday for Game 4.

Brian Leetch, who had 88 points last season, is already, perhaps, the top defenseman in the league.

Blake won the Norris Trophy last season as the league's top defenseman.

Despite placing second to Canada in the medal round, he was named the top defenseman of the tournament.

Just 12 minutes into the game, the team lost its top defenseman.

It is even more of a problem when a top defenseman for that team leaves with an injury early in the game.