The Vince Lombardi Trophy is seen before NFL Commissioner Roger Goodell's news conference during preparations for the NFL Super Bowl 51 football game Wed., Feb. 1, 2017, in Houston.
The Vince Lombardi Trophy is seen before NFL Commissioner Roger Goodell's news conference during preparations for the NFL Super Bowl 51 football game Wed., Feb. 1, 2017, in Houston. David J. Phillip AP
The Vince Lombardi Trophy is seen before NFL Commissioner Roger Goodell's news conference during preparations for the NFL Super Bowl 51 football game Wed., Feb. 1, 2017, in Houston. David J. Phillip AP

Here are the answers to five key questions about Super Bowl 51

February 04, 2017 05:29 PM

UPDATED February 04, 2017 05:42 PM

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