Looks like if a player is "injured", or possibly even injured, if medical personnel go to the field to administer aid, the team gets charged with a timeout. It should stop OM from having an unlimited number of timeouts (or times out, as Howard Kosell said).
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NCAA approves rule changes to combat players faking injuries
The NCAA Playing Rules Oversight Panel has approved changes to the injury timeout rules in an effort to curtail players faking injuries.