Who are the ten best MLB Father-Son Duos of all-time? Do Cal Ripken Sr. and Cal Ripken Jr. make the cut? What about Felipe Alou and Moises Alou? It's safe to say that Cecil Fielder and Prince Fielder would be high on the list. Are the Ken Griffeys (Sr. and Jr. pictured above) the best? Let's take a look at the top ten.