The Mohegan Tribe Department of Athletic Regulation has declared bantamweight Joe Warren medically ineligible to compete in his scheduled match against Nick Kirk at Bellator 98 on Saturday night. Although the commission did not make its specific reason public, it announced that it reached its decision after “reviewing the medical documentation submitted.”

Warren’s bout with Kirk has been removed from the card and delayed until further notice, Bellator CEO Bjorn Rebney said in a media statement. It will be replaced on the Spike TV main card with an undercard fight between Derek Anderson and Patricky Freire.

“Joe’s been with us since the beginning,” Rebney said, “and as is the case with every fighter here, it’s incumbent on me to ensure Joe is 100% healthy and medically cleared to fight before he steps into the Bellator cage.”

Rebney praised commissioner Mike Mazzulli, saying that his promotion and the commission agreed to “err on the side of caution” with respect to Warren’s health.

Bellator also appears to be erring on the side of secrecy, having released no further information about the specifics of Warren’s medical ineligibility. His last fight was in November 2012, when he won a unanimous decision against Owen Evinger. Also, in March of that year, Pat Curran did this to him:

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It’s possible that was bad for Warren’s brain. A medical condition resulting from fighting-related head trauma could obviously threaten Warren’s career, and it would be irresponsible to speculate until we know what’s wrong. In that spirit, here are some possible reasons for the Mohegan Tribe Department of Athletic Regulation’s decision:

  1. Still upset over the Eddie Alvarez thing, Dana White hired a magician to hypnotize Warren into pooping his pants every time he hears a bell.

  2. A routine cardiovascular examination found that Warren has two hearts living in just one mind, beating together until the end of time, commonly known as Phil Collins Disease.

  3. After reviewing a couple episodes of Fight Master, the commission declared Warren’s charisma levels dangerously low. They also recommended that Frank Shamrock be hospitalized immediately.