Green Bay Packers and Wisconsin ties in the Pro Football Hall of Fame
The 101 Greatest NFL Players by Uniform Number: 00-9
Jim Otto Football Trading Card Database
Raiders' Jim Otto remembers NFL great John Madden warmly
Raiders' Jim Otto remembers NFL great John Madden warmly
Greatest NFL Iron Men of All Time
Jim Otto: Pro Football Hall of Fame – University of Miami Athletics
10 great books about California football, from the 49ers to Cal and De La Salle - SportStars Magazine
NFL Draft's All-Time Best Players by Pick Number All 262
Jim Otto - All-Time Roster - History
Image Gallery of Jim Otto, NFL Past Players
Greatest NFL iron men, past and present
Top 25 quarterbacks of all time: Patriots' Tom Brady leads list