I'm thinking the same as Rich, looks like the same hand. I'm not familiar with Ted Knight's signature, but I've looked at a lot of Betty White and MTM and these are not authentic. MTM, McLeod and Asner definitely look like they were signed by the same very unskilled forger.
What was the source of this? There was a seller on ebay who had an endless supply of cast signed items from 60s and 70s TV shows. Just curious if it came from that seller.