[Abra Cadabra IV]

Disabled robots always stay on the field until the end of a match. It's just far too dangerous for the referees to run in amongst five fully operational robots, pick up a (potentially tipped) robot, and then try to make it back out again without getting hit or interfering with the game. Plus matches are only 2 minutes and 15 seconds long, and it would probably take at least a minute to get the robot out.