Guests mingle at a ribbon cutting ceremony at the William Hill
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An FAQ on the William Hill sportsbook at Capital One Arena - ESPN
William Hill Officially Opens First-Ever Sports Book Within a U.S.
Inside the First US In-Arena Sportsbook Opening in DC – NBC4
More Than a Year After Legalization, Sports Betting Is Slowly
Sportsbook Officially Opens Inside Capital One Arena
DC's first sportsbook opens in temporary digs at Capital One Arena
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Monumental Sports And Entertainment And William Hill Announce
A Sportsbook Will Go Inside A US Arena, As Wizards, Capitals