[{"Performer":"O'Reilly Auto Parts 500","URL":"OReilly-Auto-Parts-500"},{"Performer":"Oakland Athletics","URL":"Oakland-Athletics"},{"Performer":"Oakland Raiders","URL":"Oakland-Raiders"},{"Performer":"Oakland University Golden Grizzlies","URL":"Oakland-University-Golden-Grizzlies"},{"Performer":"Oakland University Golden Grizzlies Basketball","URL":"Oakland-University-Golden-Grizzlies-Basketball"},{"Performer":"Oakland University Golden Grizzlies Women's Basketball","URL":"Oakland-University-Golden-Grizzlies-Womens-Basketball"},{"Performer":"Odessa Jackalopes","URL":"Odessa-Jackalopes"},{"Performer":"OGC Nice","URL":"OGC-Nice"},{"Performer":"Ohio Bobcats","URL":"Ohio-Bobcats"},{"Performer":"Ohio Bobcats Basketball","URL":"Ohio-Bobcats-Basketball"},{"Performer":"Ohio Bobcats Football","URL":"Ohio-Bobcats-Football"},{"Performer":"Ohio Bobcats Women's Basketball","URL":"Ohio-Bobcats-Womens-Basketball"},{"Performer":"Ohio Christian Trailblazers","URL":"Ohio-Christian-Trailblazers"},{"Performer":"Ohio Dominican Panthers","URL":"Ohio-Dominican-Panthers"},{"Performer":"Ohio Dominican Panthers Basketball","URL":"Ohio-Dominican-Panthers-Basketball"},{"Performer":"Ohio Northern Polar Bears","URL":"Ohio-Northern-Polar-Bears"},{"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":"Ohio State Buckeyes Hockey","URL":"Ohio-State-Buckeyes-Hockey"},{"Performer":"Ohio State Buckeyes Women's Basketball","URL":"Ohio-State-Buckeyes-Womens-Basketball"},{"Performer":"Ohio State Buckeyes Women's Hockey","URL":"Ohio-State-Buckeyes-Womens-Hockey"},{"Performer":"Ohio State Buckeyes Women's Volleyball","URL":"Ohio-State-Buckeyes-Womens-Volleyball"},{"Performer":"Ohio State Buckeyes Wrestling","URL":"Ohio-State-Buckeyes-Wrestling"},{"Performer":"Oklahoma City Blue","URL":"Oklahoma-City-Blue"},{"Performer":"Oklahoma City Thunder","URL":"Oklahoma-City-Thunder"},{"Performer":"Oklahoma Sooners","URL":"Oklahoma-Sooners"},{"Performer":"Oklahoma Sooners Basketball","URL":"Oklahoma-Sooners-Basketball"},{"Performer":"Oklahoma Sooners Football","URL":"Oklahoma-Sooners-Football"},{"Performer":"Oklahoma Sooners Hockey","URL":"Oklahoma-Sooners-Hockey"},{"Performer":"Oklahoma Sooners Women's Basketball","URL":"Oklahoma-Sooners-Womens-Basketball"},{"Performer":"Oklahoma Sooners Women's Volleyball","URL":"Oklahoma-Sooners-Womens-Volleyball"},{"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":"Oklahoma State Cowgirls","URL":"Oklahoma-State-Cowgirls"},{"Performer":"Oklahoma State Cowgirls Women's Basketball","URL":"Oklahoma-State-Cowgirls-Womens-Basketball"},{"Performer":"Old Dominion Monarchs","URL":"Old-Dominion-Monarchs"},{"Performer":"Old Dominion Monarchs Basketball","URL":"Old-Dominion-Monarchs-Basketball"},{"Performer":"Old Dominion Monarchs Football","URL":"Old-Dominion-Monarchs-Football"},{"Performer":"Olympiacos FC","URL":"Olympiacos-FC"},{"Performer":"Olympique de Marseille","URL":"Olympique-de-Marseille"},{"Performer":"Omaha Lancers","URL":"Omaha-Lancers"},{"Performer":"Omaha Storm Chasers","URL":"Omaha-Storm-Chasers"},{"Performer":"Ontario Fury","URL":"Ontario-Fury"},{"Performer":"Ontario Reign","URL":"Ontario-Reign"},{"Performer":"Ontario Toyota Dealers Rodeo","URL":"Ontario-Toyota-Dealers-Rodeo"},{"Performer":"Oral Roberts Golden Eagles","URL":"Oral-Roberts-Golden-Eagles"},{"Performer":"Oral Roberts Golden Eagles Basketball","URL":"Oral-Roberts-Golden-Eagles-Basketball"},{"Performer":"Orange Bowl","URL":"Orange-Bowl"},{"Performer":"Orange Bowl Basketball Classic","URL":"Orange-Bowl-Basketball-Classic"},{"Performer":"Orange Bowl Parking","URL":"Orange-Bowl-Parking"},{"Performer":"Oregon Ducks","URL":"Oregon-Ducks"},{"Performer":"Oregon Ducks Basketball","URL":"Oregon-Ducks-Basketball"},{"Performer":"Oregon Ducks Football","URL":"Oregon-Ducks-Football"},{"Performer":"Oregon Ducks Women's Basketball","URL":"Oregon-Ducks-Womens-Basketball"},{"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":"Oregon State Beavers Volleyball","URL":"Oregon-State-Beavers-Volleyball"},{"Performer":"Oregon State Beavers Women's Basketball","URL":"Oregon-State-Beavers-Womens-Basketball"},{"Performer":"Orlando City SC","URL":"Orlando-City-SC"},{"Performer":"Orlando Magic","URL":"Orlando-Magic"},{"Performer":"Orlando Solar Bears","URL":"Orlando-Solar-Bears"},{"Performer":"Oshawa Generals","URL":"Oshawa-Generals"},{"Performer":"Ottawa 67s","URL":"Ottawa-67s"},{"Performer":"Ottawa RedBlacks","URL":"Ottawa-RedBlacks"},{"Performer":"Ottawa Senators","URL":"Ottawa-Senators"},{"Performer":"Outback Bowl","URL":"Outback-Bowl"},{"Performer":"Owen Sound Attack","URL":"Owen-Sound-Attack"}]