The Rockets and Mavericks finish their season series in the biggest game of the season for both teams.
We've long since passed the "This is the biggest game of the season!" story angle for the Rockets. Every game is the biggest game now. Frankly, Houston needs to win out and there's really very little alternative if they want to make the playoffs.
Tonight's game is more important than the next 4 though, because it could count double. Houston already lost out on a chance to hold the tiebreaker against the Jazz (Houston will still hold the conference record over Utah).