Richard did knock Dill down behind the net and sucker punched him in the penalty box and with the newspapers unable to resist the pun in the resulting news stories as in "Dill pickled. The true story is that the Rangers never sent Dill after Richard, and nobody was knocked out cold.
Richard delivered a blow to Dill behind the net, followed by a punch that caught him off guard in the penalty box. The newspapers couldn't help but make a joke about it, labeling the incident as "Dill pickled." However, the actual events were different, with Richard not being sent after Dill and no one getting knocked out.