"Yeah, I'm living with Will Arnett now. It's me and him. We're liking it. We're a little opposite, he's an actor and I play hockey, but we're gonna try to make it work. ... It's constant comedy."Jake Gardiner, via TSN. Yes! It happened!
Really, though, it sounds like Rielly just wanted to go solo, and Gardiner was cool with it. (He's got Will, duh.)
As for on the ice, they may not be partnered together there, either - but they both love Mike Babcock, and fully trust his decision making. Like any hockey player, they both want to do what's best for the team.