[{"Performer":"O'Reilly Auto Parts 300","URL":"OReilly-Auto-Parts-300"},{"Performer":"Oakland Athletics","URL":"Oakland-Athletics"},{"Performer":"Ohio Bobcats","URL":"Ohio-Bobcats"},{"Performer":"Ohio Bobcats Football","URL":"Ohio-Bobcats-Football"},{"Performer":"Ohio State Buckeyes","URL":"Ohio-State-Buckeyes"},{"Performer":"Ohio State Buckeyes Basketball","URL":"Ohio-State-Buckeyes-Basketball"},{"Performer":"Ohio State Buckeyes Football","URL":"Ohio-State-Buckeyes-Football"},{"Performer":"Oklahoma Cattlemen's Association Ranch Rodeo","URL":"Oklahoma-Cattlemens-Association-Ranch-Rodeo"},{"Performer":"Oklahoma City Thunder","URL":"Oklahoma-City-Thunder"},{"Performer":"Oklahoma Sooners","URL":"Oklahoma-Sooners"},{"Performer":"Oklahoma Sooners Football","URL":"Oklahoma-Sooners-Football"},{"Performer":"Oklahoma State Cowboys","URL":"Oklahoma-State-Cowboys"},{"Performer":"Oklahoma State Cowboys Basketball","URL":"Oklahoma-State-Cowboys-Basketball"},{"Performer":"Oklahoma State Cowboys Football","URL":"Oklahoma-State-Cowboys-Football"},{"Performer":"Old Dominion Monarchs","URL":"Old-Dominion-Monarchs"},{"Performer":"Old Dominion Monarchs Football","URL":"Old-Dominion-Monarchs-Football"},{"Performer":"Omaha Red Devils","URL":"Omaha-Red-Devils"},{"Performer":"Orange Bowl","URL":"Orange-Bowl"},{"Performer":"Oregon Ducks","URL":"Oregon-Ducks"},{"Performer":"Oregon Ducks Football","URL":"Oregon-Ducks-Football"},{"Performer":"Oregon State Beavers","URL":"Oregon-State-Beavers"},{"Performer":"Oregon State Beavers Basketball","URL":"Oregon-State-Beavers-Basketball"},{"Performer":"Oregon State Beavers Football","URL":"Oregon-State-Beavers-Football"},{"Performer":"Orlando City SC","URL":"Orlando-City-SC"},{"Performer":"Orlando Solar Bears","URL":"Orlando-Solar-Bears"},{"Performer":"Ottawa RedBlacks","URL":"Ottawa-RedBlacks"},{"Performer":"Outback Bowl","URL":"Outback-Bowl"}]