In this task, you are given a piece of an article. Your task is to generate a short summary of the text. Try to give the summary in just one sentence.
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Question: The Ravens have waived wide receiver LaQuan Williams and are now at 52 players on the active roster, leaving one empty spot.

Answer: The Ravens have waived LaQuan Williams.

Question: Facebook has agreed to buy WhatsApp for 19bn dollars in cash and stock, the world's biggest social network has announced.

Answer: Facebook has agreed to buy WhatsApp for 19bn dollars.

Question: Los Angeles Kings captain Dustin Brown, who has played his entire nine-year NHL career with the Kings, turned 29 on Monday.

Answer:
Boston will be tested right off the bat.