SI Now: Why the Mavs and Grizz want to win and the Nets want to lose

On Wednesday's SI Now, SI senior writer Chris Mannix looks at the playoff implications of some of the final regular season games tonight as the Mavericks and

On Wednesday's SI Now, SI senior writer Chris Mannix looks at the playoff implications of some of the final regular season games tonight as the Mavericks and Grizzlies try to avoid the Spurs and the Nets aim for a matchup with the Raptors.