Photo: Donald Montague, courtesy of the Philadelphia Union.

Beginning on Tuesday, the PSP will begin running two article series. One series will examine possible tactical formations for the Union. The other is a series of interviews with some of the groups that, following in the footsteps of the Sons of Ben, have formed to support the Union, including the Tammany Saints, the IllegitimateS, the Corner Creeps and the Bridge Crew.