Tiller and Smuts were discussing whether or not any team had all 1st or 2nd round OL draft picks as starters.  There is at least one -- the 49ers.

Anthony Davis, 2010 Rd 1, 11th pick, 3rd OL

http://www.nfl.com/players/anthonydavis/profile?id=DAV12999  

Chilo Rachal, 2008 Rd 2, 39th pick, 9th OL

http://www.nfl.com/players/chilorachal/profile?id=RAC237924

David Baas, 2005 Rd 2, 23rd pick, 5th OL

 http://www.nfl.com/players/davidbaas/profile?id=BAA738296

Mike Iuapti, 2010 Rd 1, 17th pick, 4th OL

http://www.nfl.com/players/mikeiupati/profile?id=IUP059326

Joe Staley, 2007 Rd 1, 28th pick, 3rd OL

http://www.nfl.com/players/joestaley/profile?id=STA213196

Vernon Davis, 2006 Rd1, 6th pick

http://www.nfl.com/players/vernondavis/profile?id=DAV785142