[{"Performer":"O'Reilly Auto Parts 300","URL":"OReilly-Auto-Parts-300"},{"Performer":"O'Reilly Auto Parts 500","URL":"OReilly-Auto-Parts-500"},{"Performer":"O'Reilly World of Outlaws","URL":"OReilly-World-of-Outlaws"},{"Performer":"Oakland Athletics","URL":"Oakland-Athletics"},{"Performer":"Oakland Panthers","URL":"Oakland-Panthers"},{"Performer":"Oakland Raiders","URL":"Oakland-Raiders"},{"Performer":"Oakland Roots","URL":"Oakland-Roots"},{"Performer":"Oakland University Golden Grizzlies","URL":"Oakland-University-Golden-Grizzlies"},{"Performer":"Oakland University Golden Grizzlies Baseball","URL":"Oakland-University-Golden-Grizzlies-Baseball"},{"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":"Ogden Pioneer Days Rodeo","URL":"Ogden-Pioneer-Days-Rodeo"},{"Performer":"Ogden Raptors","URL":"Ogden-Raptors"},{"Performer":"Ohio Athletic Committee Wrestling","URL":"Ohio-Athletic-Committee-Wrestling"},{"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 Combat League","URL":"Ohio-Combat-League"},{"Performer":"Ohio State Buckeyes","URL":"Ohio-State-Buckeyes"},{"Performer":"Ohio State Buckeyes Baseball","URL":"Ohio-State-Buckeyes-Baseball"},{"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 Lacrosse","URL":"Ohio-State-Buckeyes-Lacrosse"},{"Performer":"Ohio State Buckeyes Softball","URL":"Ohio-State-Buckeyes-Softball"},{"Performer":"Ohio State Buckeyes Spring Football Game","URL":"Ohio-State-Buckeyes-Spring-Football-Game"},{"Performer":"Ohio State Buckeyes Women's Basketball","URL":"Ohio-State-Buckeyes-Womens-Basketball"},{"Performer":"Ohio State Buckeyes Women's Gymnastics","URL":"Ohio-State-Buckeyes-Womens-Gymnastics"},{"Performer":"Ohio State Buckeyes Women's Lacrosse","URL":"Ohio-State-Buckeyes-Womens-Lacrosse"},{"Performer":"Ohio Valley Conference Basketball Tournament","URL":"Ohio-Valley-Conference-Basketball-Tournament"},{"Performer":"OHSAA Girls Basketball Championship","URL":"OHSAA-Girls-Basketball-Championship"},{"Performer":"OHSAA Hockey","URL":"OHSAA-Hockey"},{"Performer":"Okanagan Valley Throwdown","URL":"Okanagan-Valley-Throwdown"},{"Performer":"OKC Energy FC","URL":"OKC-Energy-FC"},{"Performer":"Oklahoma City Blazers","URL":"Oklahoma-City-Blazers"},{"Performer":"Oklahoma City Blue","URL":"Oklahoma-City-Blue"},{"Performer":"Oklahoma City Dodgers","URL":"Oklahoma-City-Dodgers"},{"Performer":"Oklahoma City Thunder","URL":"Oklahoma-City-Thunder"},{"Performer":"Oklahoma Sooners","URL":"Oklahoma-Sooners"},{"Performer":"Oklahoma Sooners Baseball","URL":"Oklahoma-Sooners-Baseball"},{"Performer":"Oklahoma Sooners Basketball","URL":"Oklahoma-Sooners-Basketball"},{"Performer":"Oklahoma Sooners Football","URL":"Oklahoma-Sooners-Football"},{"Performer":"Oklahoma Sooners Gymnastics","URL":"Oklahoma-Sooners-Gymnastics"},{"Performer":"Oklahoma Sooners Softball","URL":"Oklahoma-Sooners-Softball"},{"Performer":"Oklahoma Sooners Women's Basketball","URL":"Oklahoma-Sooners-Womens-Basketball"},{"Performer":"Oklahoma Sooners Women's Gymnastics","URL":"Oklahoma-Sooners-Womens-Gymnastics"},{"Performer":"Oklahoma Sooners Women's Softball","URL":"Oklahoma-Sooners-Womens-Softball"},{"Performer":"Oklahoma Sooners Wrestling","URL":"Oklahoma-Sooners-Wrestling"},{"Performer":"Oklahoma State Cowboys","URL":"Oklahoma-State-Cowboys"},{"Performer":"Oklahoma State Cowboys Baseball","URL":"Oklahoma-State-Cowboys-Baseball"},{"Performer":"Oklahoma State Cowboys Basketball","URL":"Oklahoma-State-Cowboys-Basketball"},{"Performer":"Oklahoma State Cowboys Football","URL":"Oklahoma-State-Cowboys-Football"},{"Performer":"Oklahoma State Cowboys Wrestling","URL":"Oklahoma-State-Cowboys-Wrestling"},{"Performer":"Oklahoma State Cowgirls","URL":"Oklahoma-State-Cowgirls"},{"Performer":"Oklahoma State Cowgirls Basketball","URL":"Oklahoma-State-Cowgirls-Basketball"},{"Performer":"Oklahoma State Cowgirls Softball","URL":"Oklahoma-State-Cowgirls-Softball"},{"Performer":"Oklahoma State Cowgirls Women's Basketball","URL":"Oklahoma-State-Cowgirls-Womens-Basketball"},{"Performer":"Oklahoma University Softball Tournament","URL":"Oklahoma-University-Softball-Tournament"},{"Performer":"Old Dominion Lady Monarchs","URL":"Old-Dominion-Lady-Monarchs"},{"Performer":"Old Dominion Lady Monarchs Basketball","URL":"Old-Dominion-Lady-Monarchs-Basketball"},{"Performer":"Old Dominion Monarchs","URL":"Old-Dominion-Monarchs"},{"Performer":"Old Dominion Monarchs Baseball","URL":"Old-Dominion-Monarchs-Baseball"},{"Performer":"Old Dominion Monarchs Basketball","URL":"Old-Dominion-Monarchs-Basketball"},{"Performer":"Old Dominion Monarchs Football","URL":"Old-Dominion-Monarchs-Football"},{"Performer":"Old Dominion Monarchs Wrestling","URL":"Old-Dominion-Monarchs-Wrestling"},{"Performer":"Old Glory DC","URL":"Old-Glory-DC"},{"Performer":"Ollie's Bargain Outlet All-Star Circuit of Champions","URL":"Ollies-Bargain-Outlet-All-Star-Circuit-of-Champions"},{"Performer":"Olympique de Marseille","URL":"Olympique-de-Marseille"},{"Performer":"Olympique Lyonnais","URL":"Olympique-Lyonnais"},{"Performer":"Omaha Lancers","URL":"Omaha-Lancers"},{"Performer":"Omaha Red Devils","URL":"Omaha-Red-Devils"},{"Performer":"Omaha Storm Chasers","URL":"Omaha-Storm-Chasers"},{"Performer":"Ontario Avalanche","URL":"Ontario-Avalanche"},{"Performer":"Ontario Fury","URL":"Ontario-Fury"},{"Performer":"Ontario Reign","URL":"Ontario-Reign"},{"Performer":"Opening Ceremonies","URL":"Opening-Ceremonies"},{"Performer":"Oral Roberts Golden Eagles","URL":"Oral-Roberts-Golden-Eagles"},{"Performer":"Oral Roberts Golden Eagles Baseball","URL":"Oral-Roberts-Golden-Eagles-Baseball"},{"Performer":"Oral Roberts Golden Eagles Basketball","URL":"Oral-Roberts-Golden-Eagles-Basketball"},{"Performer":"Oral Roberts Golden Eagles Women's Basketball","URL":"Oral-Roberts-Golden-Eagles-Womens-Basketball"},{"Performer":"Orange Bowl","URL":"Orange-Bowl"},{"Performer":"Orange County SC","URL":"Orange-County-SC"},{"Performer":"Oregon Ducks","URL":"Oregon-Ducks"},{"Performer":"Oregon Ducks Baseball","URL":"Oregon-Ducks-Baseball"},{"Performer":"Oregon Ducks Basketball","URL":"Oregon-Ducks-Basketball"},{"Performer":"Oregon Ducks Football","URL":"Oregon-Ducks-Football"},{"Performer":"Oregon Ducks Softball","URL":"Oregon-Ducks-Softball"},{"Performer":"Oregon Ducks Women's Basketball","URL":"Oregon-Ducks-Womens-Basketball"},{"Performer":"Oregon State Beavers","URL":"Oregon-State-Beavers"},{"Performer":"Oregon State Beavers Baseball","URL":"Oregon-State-Beavers-Baseball"},{"Performer":"Oregon State Beavers Basketball","URL":"Oregon-State-Beavers-Basketball"},{"Performer":"Oregon State Beavers Football","URL":"Oregon-State-Beavers-Football"},{"Performer":"Oregon State Beavers Softball","URL":"Oregon-State-Beavers-Softball"},{"Performer":"Oregon State Beavers Women's Basketball","URL":"Oregon-State-Beavers-Womens-Basketball"},{"Performer":"Oregon Tech Owls","URL":"Oregon-Tech-Owls"},{"Performer":"Oregon Tech Owls Baseball","URL":"Oregon-Tech-Owls-Baseball"},{"Performer":"Oregon Women's Softball Invitational","URL":"Oregon-Womens-Softball-Invitational"},{"Performer":"Oregon Women's Softball Tournament","URL":"Oregon-Womens-Softball-Tournament"},{"Performer":"Orem Owlz","URL":"Orem-Owlz"},{"Performer":"Orlando City B","URL":"Orlando-City-B"},{"Performer":"Orlando City SC","URL":"Orlando-City-SC"},{"Performer":"Orlando Magic","URL":"Orlando-Magic"},{"Performer":"Orlando Predators","URL":"Orlando-Predators"},{"Performer":"Orlando SeaWolves","URL":"Orlando-SeaWolves"},{"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":"Outlaw Stock Car Racing","URL":"Outlaw-Stock-Car-Racing"},{"Performer":"Owen Sound Attack","URL":"Owen-Sound-Attack"}]