2 of 11

Former St. Louis Blues hockey player Brett Hull and his father, NHL Hall of Famer Bobby "The Golden Jet" Hull, attend Brett's 2006 jersey retirement ceremony in St. Louis, Mo. (Dilip Vishwanat/Getty Images)

Contents: 1. Bobby and Barry Bonds 2. Brett and Bobby Hull 3. Cal Ripken Jr. and Cal Ripken Sr. 4. Archie, Peyton and Eli Manning 5. Mark and Gordie Howe 6. Felipe Alou and Moises Alou 7. Calvin and Grant Hill 8. Ken Norton Sr. and Ken Norton Jr. 9. Lee and Richard Petty 10. Ken Griffey Jr. and Ken Griffey Sr. 11. Dale Earnhardt Jr. and Dale Earnhardt Sr.

Email photo