By Matt Audilet Nick Saban is well-known for his ability to bring in big-name speakers for his Alabama football program. According to reports from Crimson Tide insider Charlie Potter of 247Sports, the all-time great head coach has landed 23-time Olympic gold medalist Michael Phelps as a guest speaker for his program. Phelps and the Alabama football program have one major thing in common: both know what it feels like to be the most dominant presence in their respective fields. Phelps is the most decorated Olympic athlete of all time, earning 28 medals through four appearances at the Summer Game…