There is one thing on the minds of all players in the Premier Development League – going pro. Known as the 4th division in the US soccer pyramid, the PDL has provided roughly 60% of the players in the MLS. Going Pro: American Soccer takes you into the locker room and onto the field with the Brooklyn Knights during their 2012 PDL season. Witness the power of a dream, and the sacrifices required to fulfill it as we follow the players on and off the field in this intimate sports documentary.