Francis has been turning the ball over at an alarming rate with 17 in his last three games. He leads the league with 4.1 turnovers per game.
Houston has lost two straight after a 107-86 loss at Dallas on Tuesday. Francis scored 26 points and Cuttino Mobley added 16 for the Rockets, who turned the ball over 26 times.
Rookie Yao Ming, who will join Francis as a starter for the Western Conference in the All-Star Game, was limited to six points and five rebounds in 22 minutes. Yao is averaging just 9.0 points and 6.9 rebounds in his last seven games.
The Rockets own a five-game home winning streak and are 17-5 at home. They are trying to avoid losing three straight games for the first time since December 21-27.
Detroit has the best road record of an Eastern Conference team with a 12-9 mark. But the Pistons have lost two straight on the road and three of five overall.
All-Star Ben Wallace grabbed nine rebounds and has eight or more in 87 straight games. Wallace, the reigning NBA Defensive Player of the Year, is averaging a league-leading 14.9 rebounds per game. He is averaging 2.77 blocks per game, which is third in the league, while Yao is tied for 12th at 2.03.