In his place, undercard fighter Saad Awad will now face DeLorenzi in a Bellator lightweight tournament bout.
Bellator officials confirmed the change to MMAWeekly.com on Wednesday, and Freire later announced the injury via Twitter.
“I’m out of this week’s Bellator card, I suffered a knee injury at the end of my last sparring session,” wrote Freire. “Happily it’s not as serious as initially thought, and I may be back in the Bellator cage by the end of March.”
With the Brazilian sidelined, the fight between Lloyd Woodard and David Rickels will now take the headline spot.
Here are the full weigh in results for Bellator 87:
Lightweight Tournament Quarterfinal Fight: David Rickels (155.4) vs. Lloyd Woodard (154.2)
Lightweight Tournament Quarterfinal Fight: Thiago Michel (154.6) vs. Tiger Sarnavskiy (155.2)
Lightweight Tournament Quarterfinal Fight: Ricardo Tirloni (155.8) vs. Will Brooks (156)
Lightweight Tournament Quarterfinal Fight: Saad Awad (156.0) vs. Guillaum DeLorenzi (155.2)
Lightweight Feature Fight: Jason Fischer (155.8) vs. Sevak Magakian (155.2)
Welterweight Feature Fight: Sam Quito (169.4) vs. Ben Lagman (170.8)
Lightweight Feature Fight: J.P. Reese (155.6) vs. David Shepherd (155.6)
Heavyweight Feature Fight: Jason Fish (250.6) vs. Karl Etherington (238.6)
Catchweight Lightweight Feature Fight (165): John Schulz (163) vs. Amir Killah (165.4)
Catchweight Bantamweight Feature Fight (140): Nick Kirk (139.6) vs. Tony Zelinski (135.4)