Puck Daddy Viewing Guide: Ruff faces old team; Granlund vs. Granlund

Here is the Puck Daddy Viewing Guide: Spotlighting five things to watch for during tonight's slate of games. Make sure to stop back here for the nightly Three Stars when the games are finished.

Create-a-Caption: "Vancouver Canucks mascot, Fin the Whale plays with the Sedin boys during the family skate as part of he 2014 Tim Hortons NHL Heritage Classic."

• • • • •

Preview: Columbus Blue Jackets at Toronto Maple Leafs, 7 p.m. ET

Preview: Buffalo Sabres at Dallas Stars, 8 p.m. ET

Preview: Calgary Flames at Minnesota Wild, 8 p.m. ET

Preview: Montreal Canadiens at Los Angeles Kings, 10 p.m. ET

• • • • •

Five things to know about tonight's NHL games ...

1) R.J. Umberger questionable. After suffering a finger injury versus Florida, Umberger left Monday's morning skate early. Head coach Todd Richards said he's a game-time decision. Blake Comeau appears to be waiting in the wings should Umberger be scratched.

2) Lindy Ruff goes for milestone. How fitting that Ruff could reach a milestone, 600 NHL head coaching wins, against his old team in the Sabres?

3) Mikko Koivu returns. An ankle injury derailed Koivu's Olympic dreams, but almost a month later, he's expected to be return for the Wild tonight.

4) Granlund vs. Granlund. For the first time in their professional careers, Mikael and Markus Granlund will face off against one another.

5) Don't expect Darryl Sutter to watch trade deadline coverage. Just go read what he told reporters today. It's pure Sutter gold.

Bold prediction: Each Granlund brother scores, but Mikael comes out on top 3-2.