Led by Kevin Durant, Devin Booker and Bradley Beal, the Western Conference's 11th-place Suns have split their last six games.
The Phoenix Suns (30-34) face the Memphis Grizzlies (40-24) in the second of back-to-back road games on Monday.
Former Phoenix Suns center Oliver Miller, who was a part of the 1993 NBA Finals team, has died at the age of 54.
The Suns have lost 14 of their last 19 games since Feb. 1, while the Rockets have shifted their focus to playoff positioning and securing home-court advantage.