UFC 109 was one of the rare occurrences where the medical casualties were relatively minor, in comparison to past UFC events.

Eleven fighters managed to escape the medical suspension list. Below are the medical suspensions, as handed down by the Nevada State Athletic Commission:

• Mac Danzig, suspended until August 6 (knee sprain)
• Mike Swick, suspended until August 6 (elbow injury)
• Demian Maia, suspended until August 6 (eyelid cut)

Others include:

• Mark Coleman – Suspended until March 9. No contact until February 28.
• Nate Marquardt – Suspended until March 9. No contact until February 28.
• Chael Sonnen – Suspended until March 24. No contact until March 9 (cuts on forehead and nose).
• Dan Miller – Suspended until March 9. No contact until February 28.
• Frank Trigg – Suspended until March 24. No contact until March 9.
• Justin Buchholz – Suspended until March 9. No contact until February 28.
• Rolles Gracie – Suspended until March 9. No contact until February 28.