UPDATE: Owner: Kerr Has Spinal Cord Leak Procedure – Golden State Warriors coach Steve Kerr had a spinal cord leak procedure on his back and remains out indefinitely. In an interview with Bloomberg Radio on Friday, Warriors owner Joe Lacob said Kerr had his spine drained to hopefully alleviate the health issues that have forced him to take a temporary leave of absence from the team. “Hopefully the leak was solved; he had another procedure. It’s gone on for nearly two years. Kerr had back surgery about two years ago and has been dealing with complications.