Through Thursday's games. Last week's rankings in parentheses.
1. Tampa Bay Lightning. Defense struggling without Hedman: Gave up 15 goals on four-game Western roadie. (1)
2. Vegas Golden Knights. Karlsson had 18 goals in first 183 NHL games, has 29 in 54 games this season. (2)
3. Boston Bruins. Rask's point streak in goal hits 21 games at 19-0-2. (4).
Through Friday's games. Last week's rankings in parentheses.
1. Tampa Bay Lightning. Fabulous job as All-Star host. Might we all return for Cup final? (1)
2. Vegas Golden Knights. The amazing tale continues: Most wins ever for an expansion team. (2)
3. Winnipeg Jets. Are 18-3-2 at home and in midst of 10-game homestand, longest in NHL since '10-11 Lightning's 12…