Draisaitl appeared to put the Oilers ahead 1-0 in the final second of the first period, sending a wrist shot from the right dot through the legs of Knight on the power play. But video review determined time had expired just prior to the puck crossing the goal line.
Draisaitl eventually made it 1-0 on the same power play 54 seconds into the second period on another shot from the right dot, this one a one-timer on a pass out front from Ryan Nugent-Hopkins.
The forward has 12 points (six goals, six assists) on an eight-game point streak.
Bertuzzi tied it 1-1 on the power play at 8:32, when a Connor Bedard shot from a sharp angle went in off his skate at the far post.
“I think when you’re down on the road against the defending Stanley Cup finalists, to come back and get a point is good,” said Blackhawks coach Jeff Blashill. “You feel good about that, but once you get to overtime, you want both.
“Obviously, we didn’t have the puck a bunch half the time, so that’s a tough one. But I thought there was some stuff we did good out there, there were certainly things we could be better at. We battled back and got a point.”
Jack Roslovic put Edmonton ahead 2-1 at 17:17, when McDavid found him for a backdoor tap-in past Knight’s left pad. The forward has five points (two goals, three assists) in 11 games since signing with the Oilers on Oct. 8.
“He was great, he’s been great since he’s been here,” McDavid said of Roslovic. “It’s pretty impressive, he doesn’t have a [training] camp, jumps right in and has looked really dangerous every game. He’s been great.”