Family Matters said:
Ohio State has to be in the top 5 if not top 2.
Buckeyes in the NFL - NFL Draft selections
Total selected: 317
First picks in draft: 3
1st Round: 64
NFL achievements
Total Players: 308
In the Super Bowl: 54
Hall of Famers: 5
Former notable NFL players who played at Ohio State include: Lou Groza, Dante Lavelli, Jim Parker, Jim Marshall, Bill Willis, Jim Houston, Paul Warfield, Jack Tatum, Jim Lachey, Cris Carter, Tom Tupa, Chris Spielman, Korey Stringer, Raymont Harris, and Eddie George. Groza, Lavelli, Parker, Warfield, and Willis have been inducted into the Pro Football Hall of Fame.
ETA: Terry Glenn, Mike Tomczak!!!, Archie Griffin, Robert Smith, ...I'll think of more later...
54 former Ohio State players are currently active on rosters of National Football League teams: Will Allen, Tim Anderson, Kyle Andrews, Rodney Bailey, LeCharles Bentley, David Boston, Bobby Carpenter, Drew Carter, Bam Childress, Adrien Clarke, Nate Clements, Na'il Diggs, Mike Doss, Tyler Everett, Dustin Fox, Simon Fraser, Joey Galloway, Chris Gamble, Terry Glenn, Marcus Green, Andy Groom, Ben Hartsock, A.J. Hawk, Santonio Holmes, Kevin Houser, Josh Huston, Michael Jenkins, Branden Joe, Mike Kudla, Nick Mangold, Donnie Nickey, Mike Nugent, Shane Olivea, Orlando Pace, Kenny Peterson, Ryan Pickett, Robert Reynolds (football), Nate Salley, B.J. Sander, Darnell Sanders, Anthony Schlegel, Darrion Scott, Rob Sims, Will Smith, Shawn Springs, Alex Stepanovich, E.J. Underwood, Mike Vrabel, Tyson Walter, Donte Whitner, Matt Wilhelm, Dan Wilkinson, Antoine Winfield, and Ashton Youboty.