The rumor is that the Bruins had a deal in place that would have sent Ullmark to the Kings. We do not know what the trade could have been, but one piece was reportedly
Pierre-Luc Dubois. However, we may never know the truth as the trade fell through. Theoretically, this could be because Ullmark used his trade protection to deny the deal. When he was asked about these rumors today, the goaltender avoided answering the question directly.