1:15 AM EDT, Sat July 04, 2020
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Patrick O'Connor Tampa Bay Buccaneers DE / LDE
Dorian O'Daniel Kansas City Chiefs LB / RLB
Carter O'Donnell Indianapolis Colts T / LOT
Pat O'Donnell Chicago Bears P / HLD
Nick O'Leary Oakland Raiders TE
Brian O'Neill Minnesota Vikings T / ROT
James O'Shaughnessy Jacksonville Jaguars TE
Efe Obada Carolina Panthers DE / LDE
George Obinna Cleveland Browns DE / RDE
Ifeadi Odenigbo Minnesota Vikings DE / RDE
George Odum Indianapolis Colts S / FS
Emmanuel Ogbah Miami Dolphins DE / LDE
Cedric Ogbuehi Seattle Seahawks T / ROT
Alec Ogletree New York Giants LB
Dare Ogunbowale Tampa Bay Buccaneers KR / RB
Larry Ogunjobi Cleveland Browns DT / LDT
Michael Ojemudia Denver Broncos CB / RCB
Alex Okafor Kansas City Chiefs DE / LDE
Bobby Okereke Indianapolis Colts LB / LLB
Chukwuma Okorafor Pittsburgh Steelers T / LOT
Ogbonnia Okoronkwo Los Angeles Rams LB / LOLB
Jeff Okudah Detroit Lions CB / RCB
Russell Okung Carolina Panthers T / LOT
Julian Okwara Detroit Lions DE / RDE
Romeo Okwara Detroit Lions DE / LDE
Albert Okwuegbunam Denver Broncos TE
Jamize Olawale Dallas Cowboys RB
Ed Oliver Buffalo Bills DT / LDT
Isaiah Oliver Atlanta Falcons CB / RCB
Josh Oliver Jacksonville Jaguars TE
Qadree Ollison Atlanta Falcons RB
Sewo Olonilua Dallas Cowboys RB
Greg Olsen Seattle Seahawks TE
Dante Olson Philadelphia Eagles LB / MLB
Gunner Olszewski New England Patriots WR
Donovan Olumba Cleveland Browns CB
Foyesade Oluokun Atlanta Falcons LB / RLB
Patrick Omameh New Orleans Saints G / LOG
Charles Omenihu Houston Texans DE / LDE
Mike Onuoha Baltimore Ravens LB / LOLB
Mike Onwenu New England Patriots G / ROG
Patrick Onwuasor New York Jets LB / RILB
David Onyemata New Orleans Saints DT / RDT
Sua Opeta Philadelphia Eagles G / LOG
Nate Orchard Washington Redskins DE / RLB
Kareem Orr Tennessee Titans CB / SS
Chris Orr Carolina Panthers LB / RILB
Ricky Ortiz New Orleans Saints RB
Amani Oruwariye Detroit Lions CB / LCB
Matt Orzech Jacksonville Jaguars TE / LS
K.J. Osborn Minnesota Vikings KR / PR / WR
Joe Ostman Philadelphia Eagles DE / RDE
Tyler Ott Seattle Seahawks TE / LS
Jonathan Owens Houston Texans S / FS / SS
Devine Ozigbo Jacksonville Jaguars RB