[{"Performer":"Oakland Athletics","URL":"MLB\/Oakland-Athletics-Tickets"},{"Performer":"Oakland Raiders","URL":"NFL\/Oakland-Raiders-Tickets"},{"Performer":"Ohio Bobcats","URL":"Volleyball-College-Div-I-A-and-Div-I-AA\/Ohio-Bobcats-Tickets"},{"Performer":"Ohio Bobcats Football","URL":"Football-College-Div-I-A-and-Div-I-AA\/Ohio-Bobcats-Football-Tickets"},{"Performer":"Ohio Machine","URL":"Ohio-Machine-Tickets"},{"Performer":"Ohio State Buckeyes","URL":"Hockey-College-Div-I-A-and-Div-I-AA\/Ohio-State-Buckeyes-Tickets"},{"Performer":"Ohio State Buckeyes Basketball","URL":"Basketball-College-Div-I-A-and-Div-I-AA\/Ohio-State-Buckeyes-Basketball-Tickets"},{"Performer":"Ohio State Buckeyes Football","URL":"Football-College-Div-I-A-and-Div-I-AA\/Ohio-State-Buckeyes-Football-Tickets"},{"Performer":"Ohio State Buckeyes Soccer","URL":"Soccer-College-Div-I-A-and-Div-I-AA\/Ohio-State-Buckeyes-Soccer-Tickets"},{"Performer":"OKC Energy","URL":"Soccer-Other\/OKC-Energy-Tickets"},{"Performer":"Oklahoma City Dodgers","URL":"Baseball-Pacific-Coast-League-PCL\/Oklahoma-City-Dodgers-Tickets"},{"Performer":"Oklahoma City Energy FC","URL":"Other-Sports\/Oklahoma-City-Energy-FC-Tickets"},{"Performer":"Oklahoma City Thunder","URL":"NBA\/Oklahoma-City-Thunder-Tickets"},{"Performer":"Oklahoma Sooners","URL":"Tennis-College-Div-I-A-and-Div-I-AA\/Oklahoma-Sooners-Tickets"},{"Performer":"Oklahoma Sooners Basketball","URL":"Basketball-College-Div-I-A-and-Div-I-AA\/Oklahoma-Sooners-Basketball-Tickets"},{"Performer":"Oklahoma Sooners Football","URL":"Football-College-Div-I-A-and-Div-I-AA\/Oklahoma-Sooners-Football-Tickets"},{"Performer":"Oklahoma State Cowboys","URL":"Hockey-College-Div-I-A-and-Div-I-AA\/Oklahoma-State-Cowboys-Tickets"},{"Performer":"Oklahoma State Cowboys Basketball","URL":"Basketball-College-Div-I-A-and-Div-I-AA\/Oklahoma-State-Cowboys-Basketball-Tickets"},{"Performer":"Oklahoma State Cowboys Football","URL":"Football-College-Div-I-A-and-Div-I-AA\/Oklahoma-State-Cowboys-Football-Tickets"},{"Performer":"Old Dominion Monarchs","URL":"Hockey-College-Div-I-A-and-Div-I-AA\/Old-Dominion-Monarchs-Tickets"},{"Performer":"Old Dominion Monarchs Football","URL":"Football-College-Div-I-A-and-Div-I-AA\/Old-Dominion-Monarchs-Football-Tickets"},{"Performer":"Omaha Beef","URL":"Football-Other\/Omaha-Beef-Tickets"},{"Performer":"Omaha Heart","URL":"Football-Other\/Omaha-Heart-Tickets"},{"Performer":"Omaha Storm Chasers","URL":"Baseball-Pacific-Coast-League-PCL\/Omaha-Storm-Chasers-Tickets"},{"Performer":"Orange County Blues FC","URL":"Soccer-Other\/Orange-County-Blues-FC-Tickets"},{"Performer":"Orange County SC","URL":"Soccer-United-Soccer-League-Pro\/Orange-County-SC-Tickets"},{"Performer":"Oregon Ducks","URL":"Tennis-College-Div-I-A-and-Div-I-AA\/Oregon-Ducks-Tickets"},{"Performer":"Oregon Ducks Football","URL":"Football-College-Div-I-A-and-Div-I-AA\/Oregon-Ducks-Football-Tickets"},{"Performer":"Oregon State Beavers","URL":"Basketball-College-Div-I-A-and-Div-I-AA\/Oregon-State-Beavers-Tickets"},{"Performer":"Oregon State Beavers Baseball","URL":"Baseball-College-Div-I-A-and-Div-I-AA\/Oregon-State-Beavers-Baseball-Tickets"},{"Performer":"Oregon State Beavers Football","URL":"Football-College-Div-I-A-and-Div-I-AA\/Oregon-State-Beavers-Football-Tickets"},{"Performer":"Orlando City B","URL":"Soccer-Other\/Orlando-City-B-Tickets"},{"Performer":"Orlando City SC","URL":"MLS\/Orlando-City-SC-Tickets"},{"Performer":"Orlando Pride","URL":"Soccer-National-Womens-Soccer-League-NWSL\/Orlando-Pride-Tickets"},{"Performer":"Ottawa Champions","URL":"Baseball-Other\/Ottawa-Champions-Tickets"},{"Performer":"Ottawa Fury FC","URL":"Soccer-North-American-Soccer-League\/Ottawa-Fury-FC-Tickets"},{"Performer":"Ottawa RedBlacks","URL":"Football-CFL\/Ottawa-RedBlacks-Tickets"},{"Performer":"Ottawa Senators","URL":"NHL\/Ottawa-Senators-Tickets"},{"Performer":"Outback Bowl","URL":"Football-College-Div-I-A-and-Div-I-AA\/Outback-Bowl-Tickets"}]