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's actions resulted in Dill being taken down behind the net, followed by an unexpected punch in the penalty box. The media's reaction was exaggerated, with a humorous headline that played on words ("Dill pickled"), but the actual events were more subdued.