The Denver Nuggets were punched in the mouth in their Game 3 matchup vs. the Minnesota Timberwolves in a night where nothing appeared to be going right on either end of the floor. Now, the Nuggets are faced with their backs against the wall in Game 4 for what's virtually a must-win game. Being on the wrong side of a 3-1 deficit tends to be a death sentence for any team in the postseason, and especially for most series that have looked like this one up until now. Though despite the pressure that now sits on the Nuggets' shoulders , those inside the building, such as Christian Braun, don't appear to be breaking much of a sweat for what Game 4, or their road ahead, has to offer. “We obviously understand the importance of Game 4," Braun said, via Katy Winge of Altitude TV . "You don't want to go home going down 3-1, so we need to get a win. Everybody kind of understands that. And this is a mature team. This is a team that's been there.…