Zdeno Chara and Aaron Ward should see a lot of time against Alex Kovalev tonight. (Barry Chin/Globe Staff)

One of the most significant matchups tonight, as it has been throughout the series, should be Zdeno Chara against Alex Kovalev. Like in Game 3, the Bruins won't have the last change tonight, but they'll be looking to roll Chara out against Kovalev whenever the talented Russian is on the ice. On Monday, Kovalev was limited to zero goals on four shots.

However, the Bruins have been careful not to make risky changes just to get Chara on the ice.

"Obviously we want to get Z out as much as possible against Kovalev," Dennis Wideman said. "But if it doesn't work out, the D corps is pretty solid. We don't want to get into a situation where we're making changes and giving them opportunities by making a bad change just to get a matchup. If you can get off, get off. If not, stay out and do the job."