This past year had its share of big sports events, big concerts and big entertainment. Online ticket destination StubHub has crunched the numbers from its consumer data, and presented a hot hit list for 2015, which is led by Super Bowl XLIX, Taylor Swift's 1989 Tour, the World Series, U2, the Mayweather-Pacquiao fight, the NCAA men's hoops champion Duke Blue Devils and Garth Brooks.