Haywood strained his right hip flexor in the fourth quarter of Game 2. He was inactive for Games 3 and 5 and played just three minutes in Game 4. Haywood said his hip didn't feel good after playing in Game 4.
The Mavericks went with a smaller lineup and used Ian Mahinmi off the bench in Haywood's absence.
The 7-footer is averaging 3.1 points and 4.1 rebounds in 18 postseason games.